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Intel Core i7-3820QM vs Intel Core i7-3840QM vs Intel Core i7-3540M

Intel Core i7-3820QM

► remove from comparison Intel 3820QM

The Intel Core i7-3820QM 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 2.7 GHz but can dynamically increase clock rates with Turbo Boost up to 3.5 GHz (for 4 active cores), 3.6 GHz (for 2 active cores) and 3.7 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 i7-3820QM is slightly above a similarly clocked Sandy Bridge processor due to slight architectural improvements. As a result, overall performance is clearly 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 i7-3820QM 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.

Intel Core i7-3540M

► remove from comparison Intel 3540M

The Intel Core i7-3540M is the fastest dual-core processor for laptops based on the Ivy Bridge architecture at the time of introduction in Q1 2013. Due to Hyperthreading, the two cores can handle up to four threads in parallel leading to better utilization of the CPU. Each core offers a base speed of 3.0 GHz but can dynamically increase clock rates with Turbo Boost up to 3.5 GHz (for 2 active cores) and 3.7 GHz (for 1 active core). As its Sandy-Bridge-based predecessor Core i7-2640M, it offers a 4 MB L3-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 i7-3540M is slightly above a similarly clocked Sandy Bridge processor due to the architectural improvements. As a result, overall performance is about 5 - 10 % above the old i7-2640M.

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 fastest variants.

Just like most other Ivy Bridge dual-cores, the i7-3540M is rated at a TDP of 35 W. Therefore, even smaller laptops can use the Core i7.

ModelIntel Core i7-3820QMIntel Core i7-3840QMIntel Core i7-3540M
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 i7-3820QM « 2.7 - 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
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
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 i7-3615QM2.3 - 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 i7-3540M « 3 - 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
Clock2700 - 3700 MHz2800 - 3800 MHz3000 - 3700 MHz
L1 Cache256 KB256 KB128 KB
L2 Cache1 MB1 MB512 KB
L3 Cache8 MB8 MB4 MB
Cores / Threads4 / 84 / 82 / 4
TDP45 Watt45 Watt35 Watt
Transistors1400 Million1400 Million
Technology22 nm22 nm22 nm
Die Size160 mm2160 mm2
max. Temp.105 °C105 °C105 °C
FeaturesHD Graphics 4000, DDR3(L)-1600 Memory Controller, HyperThreading, AVX, Quick Sync, VirtualizationHD Graphics 4000, DDR3(L)-1600 Memory Controller, HyperThreading, AVX, Quick Sync, VirtualizationHD Graphics 4000 (650 - 1300 MHz), DDR3-1600 Memory Controller, HyperThreading, AVX, Quick Sync, Virtualization
iGPUIntel HD Graphics 4000 (650 - 1250 MHz)Intel HD Graphics 4000 (650 - 1300 MHz)Intel HD Graphics 4000 (650 - 1300 MHz)
Architecturex86x86x86
Announced
Manufacturerark.intel.comark.intel.com
$568 U.S.
SocketBGA1023, PGA988

Benchmarks

Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 6.68     avg: 6.8     median: 6.8 (9%)     max: 6.94 Points
min: 7     avg: 7.1     median: 7.1 (9%)     max: 7.15 Points
min: 3.41     avg: 3.5     median: 3.5 (4%)     max: 3.49 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
1.5 Points (38%)
min: 1.58     avg: 1.6     median: 1.6 (39%)     max: 1.59 Points
min: 1.52     avg: 1.5     median: 1.5 (38%)     max: 1.54 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 4910     avg: 4986     median: 5008 (30%)     max: 5039 Points
min: 5137     avg: 5145     median: 5144.5 (31%)     max: 5152 Points
min: 5018     avg: 5030     median: 5029.5 (30%)     max: 5041 Points
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 19326     avg: 19491     median: 19364 (14%)     max: 19782 Points
min: 20132     avg: 20135     median: 20135 (15%)     max: 20138 Points
min: 10628     avg: 10811     median: 10810.5 (8%)     max: 10993 Points
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 23605     avg: 24083     median: 24069 (17%)     max: 24448 Points
min: 25111     avg: 25178     median: 25178 (17%)     max: 25245 Points
min: 13307     avg: 13435     median: 13434.5 (9%)     max: 13562 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 6187     avg: 6245     median: 6214 (8%)     max: 6398 Points
min: 6405     avg: 6478     median: 6478 (8%)     max: 6551 Points
min: 6326     avg: 6414     median: 6414 (8%)     max: 6502 Points
wPrime 2.10 - wPrime 2.0 1024m *
min: 223.9     avg: 236.3     median: 236.3 (3%)     max: 248.6 s
min: 245     avg: 246.3     median: 246.3 (3%)     max: 247.5 s
471.2 s (6%)
wPrime 2.10 - wPrime 2.0 32m *
min: 7.314     avg: 7.5     median: 7.5 (2%)     max: 7.612 s
min: 7.348     avg: 7.4     median: 7.4 (1%)     max: 7.441 s
14.9 s (3%)
WinRAR - WinRAR 4.0
min: 4530     avg: 4575     median: 4575 (7%)     max: 4620 Points
4712 Points (7%)
2940 Points (5%)
X264 HD Benchmark 4.0 - x264 Pass 2
min: 37.1     avg: 37.2     median: 37.2 (13%)     max: 37.24 fps
min: 37.11     avg: 38.2     median: 38.2 (13%)     max: 39.23 fps
19.9 fps (7%)
X264 HD Benchmark 4.0 - x264 Pass 1
min: 147.9     avg: 150.4     median: 150.4 (35%)     max: 152.9 fps
min: 156.2     avg: 157.8     median: 157.8 (36%)     max: 159.4 fps
105.3 fps (24%)
TrueCrypt - TrueCrypt Serpent
0.4 GB/s (0%)
min: 0.375     avg: 0.4     median: 0.4 (0%)     max: 0.376 GB/s
0.2 GB/s (0%)
TrueCrypt - TrueCrypt Twofish
0.6 GB/s (11%)
min: 0.638     avg: 0.6     median: 0.6 (11%)     max: 0.642 GB/s
0.3 GB/s (5%)
TrueCrypt - TrueCrypt AES
3.5 GB/s (9%)
3.6 GB/s (9%)
1.7 GB/s (4%)
3DMark 06 - CPU - 3DMark 06 - CPU
min: 6720     avg: 6832     median: 6849 (15%)     max: 6910 Points
min: 6946     avg: 6998     median: 6998 (15%)     max: 7050 Points
min: 4267     avg: 4320     median: 4319.5 (9%)     max: 4372 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 10     avg: 10.1     median: 10 (2%)     max: 10.39 s
min: 9     avg: 9.4     median: 9.4 (2%)     max: 9.703 s
10.4 s (2%)
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 22     avg: 22.6     median: 22 (1%)     max: 23.7 s
min: 21.97     avg: 22     median: 22 (1%)     max: 22 s
23.9 s (1%)
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 550     avg: 555     median: 554.5 (2%)     max: 559 s
541 s (2%)
557 s (2%)
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
100%
1 3820QM +
min: 134350     avg: 136990     median: 136990 (65%)     max: 139630 MIPS
91%
1 3840QM +
124100 MIPS (59%)
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
100%
1 3820QM +
min: 84860     avg: 85585     median: 85585 (66%)     max: 86310 MFLOPS
99%
1 3840QM +
85000 MFLOPS (65%)
Windows 7 Experience Index - Win7 CPU
min: 7.5     avg: 7.6     median: 7.6 (97%)     max: 7.7 Points
7.7 Points (99%)
7.3 Points (94%)
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 23042     avg: 23979     median: 24158 (21%)     max: 24792 Points
min: 24545     avg: 24741     median: 24740.5 (22%)     max: 24936 Points
11749 Points (10%)
3DMark 11 - 3DM11 Performance Physics
min: 8825     avg: 9006     median: 9040 (24%)     max: 9118 Points
min: 7360     avg: 7787     median: 7786.5 (21%)     max: 8213 Points
min: 4391     avg: 4627     median: 4627 (13%)     max: 4863 Points
3DMark - 3DMark Ice Storm Physics
100%
1 3540M +
min: 40631     avg: 42023     median: 42022.5 (34%)     max: 43414 Points
3DMark - 3DMark Cloud Gate Physics
100%
1 3540M +
min: 3424     avg: 3483     median: 3482.5 (9%)     max: 3541 Points
3DMark - 3DMark Fire Strike Standard Physics
100%
1 3540M +
min: 4929     avg: 4966     median: 4966 (9%)     max: 5003 Points

Average Benchmarks Intel Core i7-3820QM → 100% n=21

Average Benchmarks Intel Core i7-3840QM → 102% n=21

Average Benchmarks Intel Core i7-3540M → 74% 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 29. 11:05:38

#0 checking url part for id 3063 +0s ... 0s

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

#2 checking url part for id 3628 +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 +0.034s ... 0.035s

#6 did output specs +0s ... 0.035s

#7 getting avg benchmarks for device 3063 +0.003s ... 0.038s

#8 got single benchmarks 3063 +0.033s ... 0.071s

#9 getting avg benchmarks for device 3346 +0.003s ... 0.074s

#10 got single benchmarks 3346 +0.01s ... 0.084s

#11 getting avg benchmarks for device 3628 +0.003s ... 0.087s

#12 got single benchmarks 3628 +0.011s ... 0.098s

#13 got avg benchmarks for devices +0s ... 0.098s

#14 min, max, avg, median took s +0.213s ... 0.312s

#15 return log +0s ... 0.312s

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Redaktion, 2017-09- 8 (Update: 2023-07- 1)