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Intel Core i7-3720QM vs Intel Core i7-3615QM vs Intel Core i7-3840QM

Intel Core i7-3720QM

► remove from comparison Intel 3720QM

The Intel Core i7-3720QM is a fast high-end quad-core processor for laptops based on the Ivy Bridge architecture. Due to Hyperthreading, the four cores can handle up to eight threads in parallel leading to better utilization of the CPU. Each core offers a base speed of 2.6 GHz but can dynamically increase clock rates with Turbo Boost up to 3.4 GHz (for 4 active cores), 3.5 GHz (for 2 active cores) and 3.6 GHz (for 1 active core).

Ivy Bridge is an enhanced die shrink of the Sandy Bridge architecture with improvements on both GPU and CPU performance. The CPUs are produced in 22nm (versus 32nm Sandy Bridge CPUs) and are the first to introduce 3D transistors for increased energy efficiency when compared to similarly clocked Sandy Bridge processors. Other new features are integrated PCI Express 3.0 and  DDR3(L)-1600 support.

The performance of the Core i7-3720QM is slightly above a similarly clocked Sandy Bridge processor due to slight architectural improvements. As a result, overall performance is higher than the former fastest model, the Core i7-2920XM.

The integrated Intel HD Graphics 4000 offers 16 Execution Units (EUs) clocked at 650 MHz up to 1250 MHz with Turbo Boost, making it one of the faster variants.

As with most quad-core Ivy Bridge models, the Core i7-3720QM is specified at a TDP of 45 Watts including graphics card and memory controller. Therefore, the CPU is well-suited for laptops 15-inches or greater.

Intel Core i7-3615QM

► remove from comparison Intel 3615QM

The Intel Core i7-3615QM is a fast quad-core processor for laptops based on the Ivy Bridge architecture. Due to Hyperthreading, the four cores can handle up to eight threads in parallel leading to better utilization of the CPU. Each core offers a base speed of 2.3 GHz but can dynamically increase clock rates with Turbo Boost up to 3.1 GHz (for 4 active cores), 3.2 GHz (for 2 active cores) and 3.3 GHz (for 1 active core).

Ivy Bridge is an enhanced die shrink of the Sandy Bridge architecture with improvements on both GPU and CPU performance. The CPUs are produced in 22nm (versus 32nm Sandy Bridge CPUs) and are the first to introduce 3D transistors for increased energy efficiency when compared to similarly clocked Sandy Bridge processors. Other new features are integrated PCI Express 3.0 and  DDR3(L)-1600 support.

The performance of the Core i7-3615QM is slightly above a similarly clocked Sandy Bridge processor due to the architectural improvements. As a result, overall performance is similar to the former fastest model, the Core i7-2920XM.

The integrated Intel HD Graphics 4000 offers 16 Execution Units (EUs) clocked at 650 MHz up to 1200 MHz with Turbo Boost, making it one of the faster variants.

As with most quad-core Ivy Bridge models, the Core i7-3615QM is specified at a TDP of 45 Watts including graphics card and memory controller. Therefore, the CPU is well-suited for laptops 15-inches or greater.

Intel Core i7-3840QM

► remove from comparison Intel 3840QM

The Intel Core i7-3840QM is a fast quad-core processor for laptops based on the Ivy Bridge architecture and successor of the i7-3820QM. Due to Hyperthreading, the four cores can handle up to eight threads in parallel leading to better utilization of the CPU. Each core offers a base speed of 2.8 GHz but can dynamically increase clock rates with Turbo Boost up to 3.6 GHz (for 4 active cores), 3.7 GHz (for 2 active cores) and 3.8 GHz (for 1 active core). Furthermore, the CPU offers 8 MB Last Level 3 Cache.

Ivy Bridge is an enhanced die shrink of the Sandy Bridge architecture with improvements on both GPU and CPU performance. The CPUs are produced in 22nm (versus 32nm Sandy Bridge CPUs) and are the first to introduce 3D transistors for increased energy efficiency when compared to similarly clocked Sandy Bridge processors. Other new features are integrated PCI Express 3.0 and  DDR3(L)-1600 support.

The performance of the Core i7-3840QM should be slightly above a similarly clocked Sandy Bridge processor due to slight architectural improvements. Overall, performance should be similar to the Core i7-3920XM.

The integrated Intel HD Graphics 4000 offers 16 Execution Units (EUs) clocked at 650 MHz up to 1300 MHz with Turbo Boost, making it one of the faster variants.

As with most quad-core Ivy Bridge models, the Core i7-3840QM is specified at a TDP of 45 Watts including graphics card and memory controller. Therefore, the CPU is well-suited for laptops 15-inches or greater.

ModelIntel Core i7-3720QMIntel Core i7-3615QMIntel Core i7-3840QM
SeriesIntel Core i7Intel Core i7Intel Core i7
CodenameIvy BridgeIvy BridgeIvy Bridge
Series: Core i7 Ivy Bridge
Intel Core i7-3940XM3 - 3.9 GHz4 / 8 cores8 MB L3
Intel Core i7-3920XM2.9 - 3.8 GHz4 / 8 cores8 MB L3
Intel Core i7-3840QM2.8 - 3.8 GHz4 / 8 cores8 MB L3
Intel Core i7-3820QM2.7 - 3.7 GHz4 / 8 cores8 MB L3
Intel Core i7-3740QM2.7 - 3.7 GHz4 / 8 cores6 MB L3
Intel Core i7-3720QM « 2.6 - 3.6 GHz4 / 8 cores6 MB L3
Intel Core i7-3635QM2.4 - 3.4 GHz4 / 8 cores6 MB L3
Intel Core i7-3630QM2.4 - 3.4 GHz4 / 8 cores6 MB L3
Intel Core i7-3615QM2.3 - 3.3 GHz4 / 8 cores6 MB L3
Intel Core i7-3610QM2.3 - 3.3 GHz4 / 8 cores6 MB L3
Intel Core i7-3632QM2.2 - 3.2 GHz4 / 8 cores6 MB L3
Intel Core i7-3612QM2.1 - 3.1 GHz4 / 8 cores6 MB L3
Intel Core i7-3540M3 - 3.7 GHz2 / 4 cores4 MB L3
Intel Core i7-3520M2.9 - 3.6 GHz2 / 4 cores4 MB L3
Intel Core i7-3687U2.1 - 3.3 GHz2 / 4 cores4 MB L3
Intel Core i7-3667U2 - 3.2 GHz2 / 4 cores4 MB L3
Intel Core i7-3537U2 - 3.1 GHz2 / 4 cores4 MB L3
Intel Core i7-3517U1.9 - 3 GHz2 / 4 cores4 MB L3
Intel Core i7-3689Y1.5 - 2.6 GHz2 / 4 cores4 MB L3
Intel Core i7-3940XM3 - 3.9 GHz4 / 8 cores8 MB L3
Intel Core i7-3920XM2.9 - 3.8 GHz4 / 8 cores8 MB L3
Intel Core i7-3840QM2.8 - 3.8 GHz4 / 8 cores8 MB L3
Intel Core i7-3820QM2.7 - 3.7 GHz4 / 8 cores8 MB L3
Intel Core i7-3740QM2.7 - 3.7 GHz4 / 8 cores6 MB L3
Intel Core i7-3720QM2.6 - 3.6 GHz4 / 8 cores6 MB L3
Intel Core i7-3635QM2.4 - 3.4 GHz4 / 8 cores6 MB L3
Intel Core i7-3630QM2.4 - 3.4 GHz4 / 8 cores6 MB L3
Intel Core i7-3615QM « 2.3 - 3.3 GHz4 / 8 cores6 MB L3
Intel Core i7-3610QM2.3 - 3.3 GHz4 / 8 cores6 MB L3
Intel Core i7-3632QM2.2 - 3.2 GHz4 / 8 cores6 MB L3
Intel Core i7-3612QM2.1 - 3.1 GHz4 / 8 cores6 MB L3
Intel Core i7-3540M3 - 3.7 GHz2 / 4 cores4 MB L3
Intel Core i7-3520M2.9 - 3.6 GHz2 / 4 cores4 MB L3
Intel Core i7-3687U2.1 - 3.3 GHz2 / 4 cores4 MB L3
Intel Core i7-3667U2 - 3.2 GHz2 / 4 cores4 MB L3
Intel Core i7-3537U2 - 3.1 GHz2 / 4 cores4 MB L3
Intel Core i7-3517U1.9 - 3 GHz2 / 4 cores4 MB L3
Intel Core i7-3689Y1.5 - 2.6 GHz2 / 4 cores4 MB L3
Intel Core i7-3940XM3 - 3.9 GHz4 / 8 cores8 MB L3
Intel Core i7-3920XM2.9 - 3.8 GHz4 / 8 cores8 MB L3
Intel Core i7-3840QM « 2.8 - 3.8 GHz4 / 8 cores8 MB L3
Intel Core i7-3820QM2.7 - 3.7 GHz4 / 8 cores8 MB L3
Intel Core i7-3740QM2.7 - 3.7 GHz4 / 8 cores6 MB L3
Intel Core i7-3720QM2.6 - 3.6 GHz4 / 8 cores6 MB L3
Intel Core i7-3635QM2.4 - 3.4 GHz4 / 8 cores6 MB L3
Intel Core i7-3630QM2.4 - 3.4 GHz4 / 8 cores6 MB L3
Intel Core i7-3615QM2.3 - 3.3 GHz4 / 8 cores6 MB L3
Intel Core i7-3610QM2.3 - 3.3 GHz4 / 8 cores6 MB L3
Intel Core i7-3632QM2.2 - 3.2 GHz4 / 8 cores6 MB L3
Intel Core i7-3612QM2.1 - 3.1 GHz4 / 8 cores6 MB L3
Intel Core i7-3540M3 - 3.7 GHz2 / 4 cores4 MB L3
Intel Core i7-3520M2.9 - 3.6 GHz2 / 4 cores4 MB L3
Intel Core i7-3687U2.1 - 3.3 GHz2 / 4 cores4 MB L3
Intel Core i7-3667U2 - 3.2 GHz2 / 4 cores4 MB L3
Intel Core i7-3537U2 - 3.1 GHz2 / 4 cores4 MB L3
Intel Core i7-3517U1.9 - 3 GHz2 / 4 cores4 MB L3
Intel Core i7-3689Y1.5 - 2.6 GHz2 / 4 cores4 MB L3
Clock2600 - 3600 MHz2300 - 3300 MHz2800 - 3800 MHz
L1 Cache256 KB256 KB256 KB
L2 Cache1 MB1 MB1 MB
L3 Cache6 MB6 MB8 MB
Cores / Threads4 / 84 / 84 / 8
TDP45 Watt45 Watt45 Watt
Transistors1400 Million1400 Million1400 Million
Technology22 nm22 nm22 nm
Die Size160 mm2160 mm2160 mm2
max. Temp.105 °C105 °C105 °C
SocketFCBGA1224, FCPGA988FCBGA1224, FCPGA988
FeaturesHD Graphics 4000 (650-1250MHz), DDR3(L)-1600 Memory Controller, HyperThreading, AVX, Quick Sync, VirtualizationHD Graphics 4000 (650-1200MHz), DDR3(L)-1600 Memory Controller, HyperThreading, AVX, Quick Sync, VirtualizationHD Graphics 4000, DDR3(L)-1600 Memory Controller, HyperThreading, AVX, Quick Sync, Virtualization
iGPUIntel HD Graphics 4000 (650 - 1250 MHz)Intel HD Graphics 4000 (650 - 1200 MHz)Intel HD Graphics 4000 (650 - 1300 MHz)
Architecturex86x86x86
$378 U.S.$378 U.S.$568 U.S.
Announced
Manufacturerark.intel.comark.intel.com

Benchmarks

Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
100%
1 3720QM +
610 Points (4%)
Cinebench R15 - Cinebench R15 CPU Single 64 Bit
100%
1 3720QM +
126 Points (38%)
Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 5.96     avg: 6.6     median: 6.7 (9%)     max: 6.85 Points
min: 5.52     avg: 5.8     median: 5.5 (7%)     max: 6.26 Points
min: 7     avg: 7.1     median: 7.1 (9%)     max: 7.15 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 1.39     avg: 1.5     median: 1.5 (37%)     max: 1.5 Points
min: 1.32     avg: 1.3     median: 1.3 (33%)     max: 1.35 Points
min: 1.58     avg: 1.6     median: 1.6 (39%)     max: 1.59 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 4749     avg: 4827     median: 4821 (29%)     max: 4916 Points
min: 4392     avg: 4436     median: 4436 (27%)     max: 4480 Points
min: 5137     avg: 5145     median: 5144.5 (31%)     max: 5152 Points
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 14659     avg: 18498     median: 18879 (14%)     max: 19231 Points
min: 16907     avg: 16981     median: 16980.5 (12%)     max: 17054 Points
min: 20132     avg: 20135     median: 20135 (15%)     max: 20138 Points
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 21405     avg: 23108     median: 23211 (16%)     max: 23615 Points
min: 20725     avg: 21245     median: 21365 (15%)     max: 21646 Points
min: 25111     avg: 25178     median: 25178 (17%)     max: 25245 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 5932     avg: 6091     median: 6097 (7%)     max: 6204 Points
min: 5379     avg: 5576     median: 5618 (7%)     max: 5732 Points
min: 6405     avg: 6478     median: 6478 (8%)     max: 6551 Points
wPrime 2.10 - wPrime 2.0 1024m *
min: 226.9     avg: 238.9     median: 235.2 (3%)     max: 258.4 s
min: 248     avg: 262.4     median: 262.4 (3%)     max: 276.8 s
min: 245     avg: 246.3     median: 246.3 (3%)     max: 247.5 s
wPrime 2.10 - wPrime 2.0 32m *
min: 7.64     avg: 7.8     median: 7.9 (2%)     max: 7.941 s
min: 8.1     avg: 8.5     median: 8.5 (2%)     max: 8.8 s
min: 7.348     avg: 7.4     median: 7.4 (1%)     max: 7.441 s
WinRAR - WinRAR 4.0
min: 3125     avg: 4249     median: 4365 (7%)     max: 4613 Points
min: 2965     avg: 3626     median: 3626 (6%)     max: 4287 Points
4712 Points (7%)
X264 HD Benchmark 4.0 - x264 Pass 2
min: 29.85     avg: 35.7     median: 37 (13%)     max: 37.67 fps
34.4 fps (12%)
min: 37.11     avg: 38.2     median: 38.2 (13%)     max: 39.23 fps
X264 HD Benchmark 4.0 - x264 Pass 1
min: 127.3     avg: 144.1     median: 146.7 (34%)     max: 150.1 fps
137.5 fps (32%)
min: 156.2     avg: 157.8     median: 157.8 (36%)     max: 159.4 fps
TrueCrypt - TrueCrypt Serpent
min: 0.27     avg: 0.4     median: 0.4 (0%)     max: 0.513 GB/s
min: 0.316     avg: 0.3     median: 0.3 (0%)     max: 0.323 GB/s
min: 0.375     avg: 0.4     median: 0.4 (0%)     max: 0.376 GB/s
TrueCrypt - TrueCrypt Twofish
min: 0.39     avg: 0.6     median: 0.6 (10%)     max: 0.606 GB/s
min: 0.542     avg: 0.5     median: 0.5 (9%)     max: 0.55 GB/s
min: 0.638     avg: 0.6     median: 0.6 (11%)     max: 0.642 GB/s
TrueCrypt - TrueCrypt AES
min: 1.8     avg: 3.1     median: 3.3 (9%)     max: 3.4 GB/s
min: 2.9     avg: 3     median: 3 (8%)     max: 3.1 GB/s
3.6 GB/s (9%)
3DMark 06 - CPU - 3DMark 06 - CPU
min: 5981     avg: 6581     median: 6642 (14%)     max: 6696 Points
min: 5453     avg: 5757     median: 5574 (12%)     max: 6244 Points
min: 6946     avg: 6998     median: 6998 (15%)     max: 7050 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 10     avg: 10.3     median: 10.2 (2%)     max: 11 s
min: 11     avg: 11.1     median: 11.1 (2%)     max: 11.2 s
min: 9     avg: 9.4     median: 9.4 (2%)     max: 9.703 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 23     avg: 23.9     median: 24 (1%)     max: 24.31 s
min: 25     avg: 25.4     median: 25.4 (1%)     max: 25.7 s
min: 21.97     avg: 22     median: 22 (1%)     max: 22 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 563     avg: 573     median: 572 (3%)     max: 594 s
min: 616     avg: 623     median: 623 (3%)     max: 630 s
541 s (2%)
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
100%
1 3720QM +
min: 100430     avg: 124162     median: 136000 (65%)     max: 136390 MIPS
91%
1 3840QM +
124100 MIPS (59%)
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
100%
1 3720QM +
min: 75250     avg: 82146     median: 82470 (63%)     max: 85440 MFLOPS
103%
1 3840QM +
85000 MFLOPS (65%)
Windows 7 Experience Index - Win7 CPU
7.6 Points (97%)
7.6 Points (97%)
7.7 Points (99%)
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 12064     avg: 22380     median: 23290 (20%)     max: 23791 Points
min: 18316     avg: 19453     median: 19047 (17%)     max: 20997 Points
min: 24545     avg: 24741     median: 24740.5 (22%)     max: 24936 Points
3DMark 11 - 3DM11 Performance Physics
min: 6455     avg: 8020     median: 8217 (22%)     max: 8505 Points
min: 6894     avg: 7283     median: 7391 (20%)     max: 7564 Points
min: 7360     avg: 7787     median: 7786.5 (21%)     max: 8213 Points
3DMark - 3DMark Ice Storm Physics
100%
1 3720QM +
min: 35881     avg: 39128     median: 39127.5 (32%)     max: 42374 Points
3DMark - 3DMark Ice Storm Unlimited Physics
100%
1 3720QM +
min: 39845     avg: 40576     median: 40575.5 (34%)     max: 41306 Points
3DMark - 3DMark Cloud Gate Physics
100%
1 3720QM +
min: 5405     avg: 5873     median: 5921 (15%)     max: 6293 Points
3DMark - 3DMark Fire Strike Standard Physics
100%
1 3720QM +
min: 7455     avg: 8124     median: 8113 (14%)     max: 8803 Points
Geekbench 4.4 - Geekbench 4.1 - 4.4 64 Bit Single-Core
100%
1 3720QM +
3739 Points (37%)
Geekbench 4.4 - Geekbench 4.1 - 4.4 64 Bit Multi-Core
100%
1 3720QM +
12082 Points (13%)
Geekbench 3 - Geekbench 3 32 Bit Multi-Core
100%
1 3720QM +
14452 Points (26%)
Geekbench 3 - Geekbench 3 32 Bit Single-Core
100%
1 3720QM +
3898 Points (76%)
Geekbench 3 - Geekbench 3 64 Bit Multi-Core
100%
1 3720QM +
12555 Points (20%)
Geekbench 3 - Geekbench 3 64 Bit Single-Core
100%
1 3720QM +
3289 Points (49%)
Geekbench 2 - 32 Bit - Geekbench Stream
100%
1 3720QM +
8890 Points (72%)
Geekbench 2 - 32 Bit - Geekbench Memory
100%
1 3720QM +
7573 Points (69%)
Geekbench 2 - 32 Bit - Geekbench Floating Point
100%
1 3720QM +
12725 Points (25%)
Geekbench 2 - 32 Bit - Geekbench Integer
100%
1 3720QM +
11403 Points (23%)
Geekbench 2 - 32 Bit - Geekbench Total Score
100%
1 3720QM +
10848 Points (28%)
Mozilla Kraken 1.1 - Kraken 1.1 Total Score *
100%
1 3720QM +
1240 ms (1%)
Sunspider - Sunspider 1.0 Total Score *
100%
1 3720QM +
93.2 ms (1%)
Octane V2 - Octane V2 Total Score
100%
1 3720QM +
32210 Points (29%)
Power Consumption - Prime95 Power Consumption - external Monitor *
100%
1 3720QM +
80.8 Watt (14%)
Power Consumption - Cinebench R15 Multi Power Consumption - external Monitor *
100%
1 3720QM +
64.8 Watt (12%)
Power Consumption - Cinebench R15 Multi Power Efficiency - external Monitor
100%
1 3720QM +
9.4 Points per Watt (7%)

Average Benchmarks Intel Core i7-3720QM → 100% n=21

Average Benchmarks Intel Core i7-3615QM → 92% n=21

Average Benchmarks Intel Core i7-3840QM → 104% n=21

- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

v1.26
log 28. 14:13:42

#0 checking url part for id 3064 +0s ... 0s

#1 checking url part for id 3085 +0s ... 0s

#2 checking url part for id 3346 +0s ... 0s

#3 not redirecting to Ajax server +0s ... 0s

#4 did not recreate cache, as it is less than 5 days old! Created at Thu, 28 Mar 2024 05:35:32 +0100 +0.001s ... 0.001s

#5 composed specs +0.033s ... 0.034s

#6 did output specs +0s ... 0.034s

#7 getting avg benchmarks for device 3064 +0.004s ... 0.038s

#8 got single benchmarks 3064 +0.062s ... 0.1s

#9 getting avg benchmarks for device 3085 +0.003s ... 0.103s

#10 got single benchmarks 3085 +0.017s ... 0.12s

#11 getting avg benchmarks for device 3346 +0.003s ... 0.122s

#12 got single benchmarks 3346 +0.01s ... 0.132s

#13 got avg benchmarks for devices +0s ... 0.132s

#14 min, max, avg, median took s +0.274s ... 0.406s

#15 return log +0s ... 0.406s

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2023-07- 1)