Intel Core i7-2637M vs Intel Core i7-2675QM vs Intel Core i7-2620M

Intel Core i7-2637M

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The Intel Core i7-2637M is power efficient ULV (Ultra Low Voltage) processor for thin and light laptops. The base frequency of 1.7 GHz is relatively low, but due to Turbo Boost 2.0, the CPU may clock up to 2.8 GHz (on core loaded, 2.5 GHz with both cores loaded). However, this depends on the cooling and power consumption of the laptop. Due to HyperThreading, the i7-2637M is able to handle 4 threads in parallel. Compared to the slower i7-2617M, the 2637M offers a higher clock speed (processor core and turbo, graphics turbo).

Sandy Bridge is the evolutionary successor of the Arrandale architecture. The most notable improvements is the improved Turbo 2.0 and the integration of the graphics card into the 32nm CPU core. 

The integrated Intel HD Graphics 3000 clocked at 350 or 1200MHz (Turbo Boost). Due to the slower clock rate without the Turbo, compared to HD Graphics 3000 in 35W and 45W processors (usually clocked at 650 base speed in non LV processors), the performance should be noticeable lower.

The performance of the CPU should be a bit higher than a similar clocked Arrandale Core i5. Thanks to the high Turbo Boost frequencies, the performance should be similar to the Core i3-2310M. However, the laptop cooling system has to keep the processor relatively cool for the Turbo Boost to work often.

The TDP of 17W (includes the integrated GPU and memory controller) allows the use of the 2637M CPU in small subnotebooks.

Intel Core i7-2675QM

► remove Intel 2675QM

The Intel Core i7-2675QM is a fast quad core processor for laptops and successor to the popular i7-2630QM. It is based on the Sandy Bridge architecture and offers Hyperthreading to handle 8 threads at once (for a better usage of the pipeline). Compared to the 2630QM, the 2675QM offers higher base and turbo frequencies by 200MHz. Compared to the faster Core i7, the 2675QM does not feature the Trusted Execution and the VT-d functions.

Sandy Bridge is the evolutionary successor of the Arrandale architecture. The most noteable improvements are the new 265Bit AVX instructions, the improved Turbo 2.0 and the integration of the graphics card into the 32nm CPU core. 

Der i7-2630QM offers an integrated graphics card (Intel HD Graphics 3000) which is clearly faster then the older Intel HD Graphics in the Arrandale CPUs. As the new GPU is included in the CPU, it is also manufactured in 32nm and shares the fast level 3 cache with the CPU cores (using a new ring bus). In the 2635QM it is clocked from  650-1200MHz (Turbo Boost). The Core i7-2630QM in comparison offers a lower Turbo Boost frequency of 1100MHz for the GPU part.

Furthermore, an improved (compared to Clarkdale) dual-channel DDR3 memory controller is included on the CPU die that is used by the CPU and GPU part.

The performance of the Core i7-2675QM should be only slightly slower than the old Core i7-2720QM that offers only a slightly higher Turbo Boost frequencies. Therefore, even demanding applications and games should run without performance problems.

The quad core CPU is still rated at 45 Watt TDP but now the integrated graphics card is also included (compared to the old Clarksfield Quad Core processors).

Intel Core i7-2620M

► remove Intel 2620M

The Intel Core i7-2620M is the fastest dual core processor at the time of introduction in Q1 2011. It is based on the Sandy Bridge architecture and offers Hyperthreading to handle 4 threads at once (for a better usage of the pipeline). Compared to the slower Core i5, the i7 offers a larger last level cache of 4MB. The base clock speed is 2.7 GHz but due to Turbo Boost it can reach 3.2 GHz (2 cores active) and 3.4 GHz (1 core active).

Sandy Bridge is the evolutionary successor of the Arrandale architecture. The most noteable improvements are the new 256Bit AVX instructions, the improved Turbo 2.0 and the integration of the graphics card into the 32nm CPU core. 

Der i7-2620M offers an integrated graphics card ( Intel HD Graphics 3000) which is clearly faster then the older Intel HD Graphics in the Arrandale CPUs. As the new GPU is included in the CPU, it is also manufactured in 32nm and shares the fast level 3 cache with the CPU cores (using a new ring bus). In the 2620M it is clocked from 650-1300MHz (Turbo Boost).

Furthermore, an improved dual-channel DDR3 memory controller is included on the CPU die that is used by the CPU and GPU part.

Due to the improved architecture and the new Turbo Boost 2.0, the average performance of the Core i7-2620M is higher than a similar clocked Arrandale Core i7. In synthetic benchmarks the performance ranges from the old Core i7-620M to the Core i7-820QM quad core processor. On average it should be on a level of the fast Core i7-640M.

The 35W TDP rating includes the integrated GPU and memory controller.

Intel Core i7-2637MIntel Core i7-2675QMIntel Core i7-2620M
Intel Core i7Intel Core i7Intel Core i7
Sandy BridgeSandy BridgeSandy Bridge
: Core i7 Sandy Bridge
Intel Core i7-2960XM2700 - 3700 MHz4 / 88 MB
Intel Core i7-2860QM2500 - 3600 MHz4 / 88 MB
Intel Core i7-2920XM2500 - 3500 MHz4 / 88 MB
Intel Core i7-2760QM2400 - 3500 MHz4 / 86 MB
Intel Core i7-2820QM2300 - 3400 MHz4 / 88 MB
Intel Core i7-2720QM2200 - 3300 MHz4 / 86 MB
Intel Core i7-2675QM2200 - 3100 MHz4 / 86 MB
Intel Core i7-2670QM2200 - 3100 MHz4 / 86 MB
Intel Core i7-2635QM2000 - 2900 MHz4 / 86 MB
Intel Core i7-2630QM2000 - 2900 MHz4 / 86 MB
Intel Core i7-2640M2800 - 3500 MHz2 / 44 MB
Intel Core i7-2620M2700 - 3400 MHz2 / 44 MB
Intel Core i7-2649M2300 - 3200 MHz2 / 44 MB
Intel Core i7-2629M2100 - 3000 MHz2 / 44 MB
Intel Core i7-2677M1800 - 2900 MHz2 / 44 MB
» Intel Core i7-2637M1700 - 2800 MHz2 / 44 MB
Intel Core i7-2657M1600 - 2700 MHz2 / 44 MB
Intel Core i7-2617M1500 - 2600 MHz2 / 44 MB
Intel Core i7-2960XM2700 - 3700 MHz4 / 88 MB
Intel Core i7-2860QM2500 - 3600 MHz4 / 88 MB
Intel Core i7-2920XM2500 - 3500 MHz4 / 88 MB
Intel Core i7-2760QM2400 - 3500 MHz4 / 86 MB
Intel Core i7-2820QM2300 - 3400 MHz4 / 88 MB
Intel Core i7-2720QM2200 - 3300 MHz4 / 86 MB
» Intel Core i7-2675QM2200 - 3100 MHz4 / 86 MB
Intel Core i7-2670QM2200 - 3100 MHz4 / 86 MB
Intel Core i7-2635QM2000 - 2900 MHz4 / 86 MB
Intel Core i7-2630QM2000 - 2900 MHz4 / 86 MB
Intel Core i7-2640M2800 - 3500 MHz2 / 44 MB
Intel Core i7-2620M2700 - 3400 MHz2 / 44 MB
Intel Core i7-2649M2300 - 3200 MHz2 / 44 MB
Intel Core i7-2629M2100 - 3000 MHz2 / 44 MB
Intel Core i7-2677M1800 - 2900 MHz2 / 44 MB
Intel Core i7-2637M1700 - 2800 MHz2 / 44 MB
Intel Core i7-2657M1600 - 2700 MHz2 / 44 MB
Intel Core i7-2617M1500 - 2600 MHz2 / 44 MB
Intel Core i7-2960XM2700 - 3700 MHz4 / 88 MB
Intel Core i7-2860QM2500 - 3600 MHz4 / 88 MB
Intel Core i7-2920XM2500 - 3500 MHz4 / 88 MB
Intel Core i7-2760QM2400 - 3500 MHz4 / 86 MB
Intel Core i7-2820QM2300 - 3400 MHz4 / 88 MB
Intel Core i7-2720QM2200 - 3300 MHz4 / 86 MB
Intel Core i7-2675QM2200 - 3100 MHz4 / 86 MB
Intel Core i7-2670QM2200 - 3100 MHz4 / 86 MB
Intel Core i7-2635QM2000 - 2900 MHz4 / 86 MB
Intel Core i7-2630QM2000 - 2900 MHz4 / 86 MB
Intel Core i7-2640M2800 - 3500 MHz2 / 44 MB
» Intel Core i7-2620M2700 - 3400 MHz2 / 44 MB
Intel Core i7-2649M2300 - 3200 MHz2 / 44 MB
Intel Core i7-2629M2100 - 3000 MHz2 / 44 MB
Intel Core i7-2677M1800 - 2900 MHz2 / 44 MB
Intel Core i7-2637M1700 - 2800 MHz2 / 44 MB
Intel Core i7-2657M1600 - 2700 MHz2 / 44 MB
Intel Core i7-2617M1500 - 2600 MHz2 / 44 MB
1700 - 2800 MHz2200 - 3100 MHz2700 - 3400 MHz
128 KB256 KB128 KB
512 KB1 MB512 KB
4 MB6 MB4 MB
2 / 44 / 82 / 4
17 45 35
624 995 624
32 32 32
149 mm2216 mm2149 mm2
100 °C100 °C
BGA1023BGArPGA988B, BGA1023
Turbo Boost 2.0, Hyper-Threading, Virtualization VT-x, Virtualization for Directed I/O (VT-d), Trusted Execution, AES, Intel 64, Anti-Theft, My WiFi, Idle States, Enhanced SpeedStep, Thermal Monitorin, Execute Disable BitHD Graphics 3000, DDR-1333 Memory Controller, HyperThreading, AVX, Quick Sync, Virtualization (VT-x)HD Graphics 3000 (650-1300MHz), DDR3-1066/1333 Memory Controller (max 8GB), HyperThreading, AVX, Quick Sync, Virtualization
iGPUIntel HD Graphics 3000 (350 - 1200 MHz)Intel HD Graphics 3000 (650 - 1200 MHz)Intel HD Graphics 3000 (650 - 1300 MHz)
$289 U.S.$346 U.S.
Intel Core i7 2637MIntel Core i7 2620M

Cinebench R15 - CPU Multi 64Bit
201 Points (5%)
Cinebench R15 - CPU Single 64Bit
93 Points (43%)
Cinebench R11.5 - CPU Multi 64Bit
min: 2.19     avg: 2.2     median: 2.2 (8%)     max: 2.25 Points
min: 2.6     avg: 3     median: 3.1 (11%)     max: 3.11 Points
Cinebench R11.5 - CPU Single 64Bit
1.1 Points (45%)
Cinebench R10 - Rendering Single 32Bit
min: 3529     avg: 3578     median: 3600 (39%)     max: 3605 Points
min: 3532     avg: 4200.4     median: 4333 (47%)     max: 4384 Points
Cinebench R10 - Rendering Multiple CPUs 32Bit
min: 7046     avg: 7068.7     median: 7074 (14%)     max: 7086 Points
min: 7650     avg: 9124.2     median: 9433 (19%)     max: 9632 Points
Cinebench R10 - Rendering Multiple CPUs 64Bit
min: 8430     avg: 8639     median: 8722 (11%)     max: 8765 Points
min: 9634     avg: 11272.8     median: 11444 (15%)     max: 11711 Points
Cinebench R10 - Rendering Single CPUs 64Bit
min: 4464     avg: 4469     median: 4471 (43%)     max: 4472 Points
min: 4462     avg: 5324.6     median: 5412 (53%)     max: 5479 Points
wPrime 2.0x - 1024m *
min: 690.5     avg: 744     median: 765.3 (9%)     max: 776.305 seconds
min: 494     avg: 525.1     median: 505 (6%)     max: 593.5 seconds
wPrime 2.0x - 32m *
min: 20.3     avg: 21.2     median: 21.7 (4%)     max: 21.701 seconds
min: 11.565     avg: 16.3     median: 16.2 (3%)     max: 19.4 seconds
WinRAR - Result
min: 2286     avg: 2324.5     median: 2324.5 (27%)     max: 2363 KB/s
X264 HD Benchmark 4.0 - Pass 2
min: 11.95     avg: 12.1     median: 12.1 (0%)     max: 12.23 fps
X264 HD Benchmark 4.0 - Pass 1
min: 68.5     avg: 70.1     median: 69.5 (26%)     max: 72.22 fps
TrueCrypt - Serpent Mean 100MB
min: 0.112     avg: 0.1     median: 0.1 (6%)     max: 0.116 GB/s
TrueCrypt - Twofish Mean 100MB
min: 0.196     avg: 0.2     median: 0.2 (7%)     max: 0.2 GB/s
TrueCrypt - AES Mean 100MB
1.2 GB/s (6%)
3DMark 06 - CPU
min: 2814     avg: 2836     median: 2834 (20%)     max: 2860 Points
min: 3039     avg: 3753.1     median: 3827 (27%)     max: 3884 Points
Super Pi mod 1.5 XS 1M *
min: 13.7     avg: 14     median: 14 (3%)     max: 14.32 Seconds
min: 11     avg: 11.5     median: 11 (2%)     max: 14.3 Seconds
Super Pi mod 1.5 XS 2M *
min: 31.9     avg: 32.3     median: 32 (1%)     max: 33.02 Seconds
min: 26     avg: 27.3     median: 27 (1%)     max: 32.9 Seconds
Super Pi Mod 1.5 XS 32M *
min: 735.2     avg: 755     median: 757.8 (3%)     max: 772 Seconds
min: 620     avg: 685.4     median: 640.1 (3%)     max: 1098.43 Seconds
SiSoft Sandra Dhrystone (MIPS)
45450 MIPS (22%)
min: 53030     avg: 55805     median: 53870 (26%)     max: 62450 MIPS
SiSoft Sandra Whetstone (MFLOPS)
29870 MFLOPS (23%)
min: 37790     avg: 37922.5     median: 37950 (29%)     max: 38000 MFLOPS
Windows 7 Experience Index - Processor
6.9 points (88%)
min: 6.9     avg: 7.1     median: 7.1 (91%)     max: 7.1 points
3DMark Vantage - P CPU no PhysX 1280x1024
min: 7546     avg: 7733     median: 7552 (13%)     max: 8101 Points
min: 8605     avg: 11160.9     median: 10271 (17%)     max: 21984 Points
3DMark 11 - Performance Physics 1280x720
3258 points (18%)
min: 3296     avg: 3946.6     median: 4060 (22%)     max: 4362 points
3DMark - Ice Storm Standard Physics 1280x720
27910 Points (18%)
3DMark - Ice Storm Unlimited Physics 1280x720 offscreen
29096 Points (34%)
3DMark - Cloud Gate Standard Physics 1280x720
2382 Points (6%)
3DMark - Fire Strike Physics 1920x1080
3294 Points (12%)
Geekbench 3 - 32 Bit Multi-Core Score
4566 Points (15%)
Geekbench 3 - 32 Bit Single-Core Score
2288 Points (47%)
Geekbench 4.0 - 64 Bit Multi-Core Score
4800 Points (17%)
10090 Points (37%)
Geekbench 4.0 - 64 Bit Single-Core Score
2703 Points (47%)
3100 Points (54%)
Geekbench 4.3 - 64 Bit Single-Core Score
2769 Points (44%)
Geekbench 4.3 - 64 Bit Multi-Core Score
5048 Points (14%)
Octane V2 - Total Score
16640 Points (33%)
Power Consumption - Prime95 V28,10 Stress Power Consumption (external Monitor) ultra *
100%
1 2637M +
29.1 Watt (8%)
Power Consumption - Cinebench R15 Multi Power Consumption (external Monitor) ultra *
100%
1 2637M +
30.5 Watt (8%)

Average Benchmarks Intel Core i7-2637M → 100%

Average Benchmarks Intel Core i7-2675QM → 162%

Average Benchmarks Intel Core i7-2620M → 118%

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2017-09-11)