Notebookcheck Logo

Intel Core i7-3635QM vs Intel Core i7-3840QM vs Intel Core i7-3740QM

Intel Core i7-3635QM

► remove from comparison Intel 3635QM

The Intel Core i7-3635QM 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 2.4 GHz but can dynamically increase clock rates with Turbo Boost up to 3.2 GHz (for 4 active cores), 3.3 GHz (for 2 active cores) and 3.4 GHz (for 1 active core). In contrast to the 3630QM, the 3635QM has a different package (BGA) and a slightly higher GPU clock.

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 i7-3635QM is slightly above a similarly clocked Sandy Bridge processor due to slight architectural improvements. As a result, overall performance is similar to the fastest Sandy Bridge model, the Core i7-2960XM.

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 i7-3635QM 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 i7-3740QM

► remove from comparison Intel 3740QM

The Intel Core i7-3740QM is a fast quad-core processor for laptops based on the Ivy Bridge architecture and successor of the i7-3720QM. 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).

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 i7-3740QM should be slightly above a similarly clocked Sandy Bridge processor due to slight architectural improvements. As a result, overall performance should be above the Core i7-2960XM.

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 i7-3740QM 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 i7-3635QMIntel Core i7-3840QMIntel Core i7-3740QM
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 i7-3720QM2.6 - 3.6 GHz4 / 8 cores6 MB L3
Intel Core i7-3635QM « 2.4 - 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 i7-3740QM « 2.7 - 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
Clock2400 - 3400 MHz2800 - 3800 MHz2700 - 3700 MHz
L1 Cache256 KB256 KB256 KB
L2 Cache1 MB1 MB1 MB
L3 Cache6 MB8 MB6 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
SocketBGAFCBGA1224, FCPGA988
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, DDR3(L)-1600 Memory Controller, HyperThreading, AVX, Quick Sync, Virtualization
iGPUIntel HD Graphics 4000 (650 - 1200 MHz)Intel HD Graphics 4000 (650 - 1300 MHz)Intel HD Graphics 4000 (650 - 1300 MHz)
Architecturex86x86x86
Announced
Manufacturerark.intel.com
$568 U.S.$378 U.S.

Benchmarks

Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 6.38     avg: 6.4     median: 6.4 (8%)     max: 6.47 Points
min: 7     avg: 7.1     median: 7.1 (9%)     max: 7.15 Points
min: 6.93     avg: 7     median: 7 (9%)     max: 6.98 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 1.37     avg: 1.4     median: 1.4 (34%)     max: 1.39 Points
min: 1.58     avg: 1.6     median: 1.6 (39%)     max: 1.59 Points
1.5 Points (38%)
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 4600     avg: 4648     median: 4660 (28%)     max: 4685 Points
min: 5137     avg: 5145     median: 5144.5 (31%)     max: 5152 Points
4951 Points (30%)
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 17688     avg: 17855     median: 17865 (13%)     max: 18011 Points
min: 20132     avg: 20135     median: 20135 (15%)     max: 20138 Points
19798 Points (14%)
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 21471     avg: 21961     median: 22047.5 (15%)     max: 22277 Points
min: 25111     avg: 25178     median: 25178 (17%)     max: 25245 Points
min: 24138     avg: 24219     median: 24218.5 (17%)     max: 24299 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 5819     avg: 5885     median: 5891 (7%)     max: 5937 Points
min: 6405     avg: 6478     median: 6478 (8%)     max: 6551 Points
min: 6281     avg: 6324     median: 6323.5 (8%)     max: 6366 Points
wPrime 2.10 - wPrime 2.0 1024m *
min: 267.2     avg: 301.2     median: 276.5 (3%)     max: 359.9 s
min: 245     avg: 246.3     median: 246.3 (3%)     max: 247.5 s
247 s (3%)
wPrime 2.10 - wPrime 2.0 32m *
min: 8.4     avg: 9.6     median: 8.9 (2%)     max: 11.42 s
min: 7.348     avg: 7.4     median: 7.4 (1%)     max: 7.441 s
7.6 s (2%)
WinRAR - WinRAR 4.0
min: 3855     avg: 4200     median: 4199.5 (7%)     max: 4544 Points
4712 Points (7%)
4680 Points (7%)
X264 HD Benchmark 4.0 - x264 Pass 2
min: 35.28     avg: 35.4     median: 35.4 (12%)     max: 35.6 fps
min: 37.11     avg: 38.2     median: 38.2 (13%)     max: 39.23 fps
38.6 fps (13%)
X264 HD Benchmark 4.0 - x264 Pass 1
min: 134.5     avg: 138.1     median: 138.1 (32%)     max: 141.6 fps
min: 156.2     avg: 157.8     median: 157.8 (36%)     max: 159.4 fps
153.8 fps (35%)
TrueCrypt - TrueCrypt Serpent
min: 0.14     avg: 0.2     median: 0.2 (0%)     max: 0.327 GB/s
min: 0.375     avg: 0.4     median: 0.4 (0%)     max: 0.376 GB/s
0.4 GB/s (0%)
TrueCrypt - TrueCrypt Twofish
min: 0.454     avg: 0.5     median: 0.5 (9%)     max: 0.549 GB/s
min: 0.638     avg: 0.6     median: 0.6 (11%)     max: 0.642 GB/s
0.6 GB/s (10%)
TrueCrypt - TrueCrypt AES
min: 3     avg: 3.1     median: 3.1 (8%)     max: 3.1 GB/s
3.6 GB/s (9%)
3.5 GB/s (9%)
3DMark 06 - CPU - 3DMark 06 - CPU
min: 6432     avg: 6483     median: 6492 (14%)     max: 6517 Points
min: 6946     avg: 6998     median: 6998 (15%)     max: 7050 Points
min: 6825     avg: 6837     median: 6837 (15%)     max: 6849 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 11.16     avg: 11.4     median: 11.2 (2%)     max: 11.7 s
min: 9     avg: 9.4     median: 9.4 (2%)     max: 9.703 s
10.2 s (2%)
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 25.83     avg: 26.1     median: 25.8 (1%)     max: 26.5 s
min: 21.97     avg: 22     median: 22 (1%)     max: 22 s
23.4 s (1%)
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
100%
1 3635QM +
min: 624     avg: 626     median: 625 (3%)     max: 629 s
100%
1 3840QM +
541 s (2%)
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
100%
1 3635QM +
min: 110140     avg: 118820     median: 118820 (56%)     max: 127500 MIPS
104%
1 3840QM +
124100 MIPS (59%)
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
100%
1 3635QM +
min: 80710     avg: 80855     median: 80855 (62%)     max: 81000 MFLOPS
105%
1 3840QM +
85000 MFLOPS (65%)
Windows 7 Experience Index - Win7 CPU
100%
1 3840QM +
7.7 Points (99%)
100%
1 3740QM +
7.7 Points (99%)
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 20530     avg: 21871     median: 22225.5 (19%)     max: 22501 Points
min: 24545     avg: 24741     median: 24740.5 (22%)     max: 24936 Points
min: 23645     avg: 23789     median: 23789 (21%)     max: 23933 Points
3DMark 11 - 3DM11 Performance Physics
min: 6023     avg: 6732     median: 7054 (19%)     max: 7235 Points
min: 7360     avg: 7787     median: 7786.5 (21%)     max: 8213 Points
min: 7048     avg: 7783     median: 7782.5 (21%)     max: 8517 Points
3DMark - 3DMark Ice Storm Physics
100%
1 3635QM +
min: 31200     avg: 33452     median: 34461 (28%)     max: 34696 Points
3DMark - 3DMark Cloud Gate Physics
100%
1 3635QM +
min: 5633     avg: 5722     median: 5740 (15%)     max: 5792 Points
3DMark - 3DMark Fire Strike Standard Physics
100%
1 3635QM +
min: 7937     avg: 8037     median: 7965 (14%)     max: 8210 Points
Geekbench 2 - 32 Bit - Geekbench Stream
100%
1 3635QM +
8423 Points (68%)
Geekbench 2 - 32 Bit - Geekbench Memory
100%
1 3635QM +
7446 Points (68%)
Geekbench 2 - 32 Bit - Geekbench Floating Point
100%
1 3635QM +
11831 Points (23%)
Geekbench 2 - 32 Bit - Geekbench Integer
100%
1 3635QM +
10805 Points (22%)
Geekbench 2 - 32 Bit - Geekbench Total Score
100%
1 3635QM +
10254 Points (27%)

Average Benchmarks Intel Core i7-3635QM → 100% n=19

Average Benchmarks Intel Core i7-3840QM → 113% n=19

Average Benchmarks Intel Core i7-3740QM → 110% n=19

- 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. 19:23:28

#0 checking url part for id 3582 +0s ... 0s

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

#2 checking url part for id 3347 +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 +0.031s ... 0.032s

#6 did output specs +0s ... 0.032s

#7 getting avg benchmarks for device 3582 +0.003s ... 0.035s

#8 got single benchmarks 3582 +0.016s ... 0.051s

#9 getting avg benchmarks for device 3346 +0.002s ... 0.053s

#10 got single benchmarks 3346 +0.01s ... 0.063s

#11 getting avg benchmarks for device 3347 +0.002s ... 0.065s

#12 got single benchmarks 3347 +0.007s ... 0.072s

#13 got avg benchmarks for devices +0s ... 0.072s

#14 min, max, avg, median took s +0.206s ... 0.278s

#15 return log +0s ... 0.278s

Please share our article, every link counts!
> 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)