Intel Core i7-2640M vs Intel Core i7-2760QM

Intel Core i7-2640M

► remove Intel 2640M

The Intel Core i7-2640M is the fastest dual core processor at the time of introduction in Q3 2011 and successor of the slower clocked i7-2620M. 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 2.8 GHz but due to Turbo Boost it can reach 3.3 GHz (2 cores active) and 3.5 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 i7-2640M 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), and in the 2640M it should be similar.

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 i7-2640M is higher than a similar clocked Arrandale Core i7 dual core. The performance should even excel the old high-end quad core models like the Core i7-820QM.

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

Intel Core i7-2760QM

► remove Intel 2760QM

The Intel Core i7-2760QM is a fast high-end quad core processor for laptops and successor of the slower clocked Core i7-2720QM. 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 previous Clarksdale quad-cores, the i7-2760QM is now manufactured in 32nm and offers an integrated graphics card and AES functions. Compared to the 2820QM, the 2760QM offers less level 3 cache (6 vs. 8MB) but should make this up due to the higher clock speed.

Sandy Bridge is the evolutionary successor of the Arrandale architecture. The most noteable improvements are the new 256Bit AVX instructions, the improved Turbo Boost and the integration of the graphics card into the 32nm CPU core. Furthermore, the integrated memory controller was improved and supports up to 8 GB DDR3-1333.

The i7-2760QM offers an integrated graphics card (Intel HD Graphics 3000) which proved to be clearly faster than the old Intel HD Graphics in the Arrandale CPUs and on a level with entry level dedicated graphics cards like the GeForce 310M. The HD Graphics 3000 also supports Turbo Boost and clocks between 650 MHz and 1300 MHz in the i7-2720QM (should be similar to the 2760QM). As the graphics card shares the fast last level cache, the processor is a bit slower with activated GPU.

The performance of the Core i7-2760QM is only slightly below the Core i7-2920XM (see benchmarks below). Therefore, the performance should be sufficient for modern 3D games and demanding applications. Thanks to the fast Turbo Boost 2.0 even single threaded applications run very fast.

The relative high TDP rating of the 2760QM of 45 Watt enables the usage of the quad core only in 15" laptops and up. However, compared to the previous generation of quad-cores, the TDP improved, as the integrated GPU is now included.

Intel Core i7-2640MIntel Core i7-2760QM
Intel Core i7Intel Core i7
Sandy BridgeSandy Bridge
: Core i7 Sandy Bridge
Intel Core i7-2960XM compare2700 - 3700 MHz4 / 88 MB
Intel Core i7-2860QM compare2500 - 3600 MHz4 / 88 MB
Intel Core i7-2920XM compare2500 - 3500 MHz4 / 88 MB
Intel Core i7-2760QM2400 - 3500 MHz4 / 86 MB
Intel Core i7-2820QM compare2300 - 3400 MHz4 / 88 MB
Intel Core i7-2720QM compare2200 - 3300 MHz4 / 86 MB
Intel Core i7-2675QM compare2200 - 3100 MHz4 / 86 MB
Intel Core i7-2670QM compare2200 - 3100 MHz4 / 86 MB
Intel Core i7-2635QM compare2000 - 2900 MHz4 / 86 MB
Intel Core i7-2630QM compare2000 - 2900 MHz4 / 86 MB
» Intel Core i7-2640M2800 - 3500 MHz2 / 44 MB
Intel Core i7-2620M compare2700 - 3400 MHz2 / 44 MB
Intel Core i7-2649M compare2300 - 3200 MHz2 / 44 MB
Intel Core i7-2629M compare2100 - 3000 MHz2 / 44 MB
Intel Core i7-2677M compare1800 - 2900 MHz2 / 44 MB
Intel Core i7-2637M compare1700 - 2800 MHz2 / 44 MB
Intel Core i7-2657M compare1600 - 2700 MHz2 / 44 MB
Intel Core i7-2617M compare1500 - 2600 MHz2 / 44 MB
Intel Core i7-2960XM compare2700 - 3700 MHz4 / 88 MB
Intel Core i7-2860QM compare2500 - 3600 MHz4 / 88 MB
Intel Core i7-2920XM compare2500 - 3500 MHz4 / 88 MB
» Intel Core i7-2760QM2400 - 3500 MHz4 / 86 MB
Intel Core i7-2820QM compare2300 - 3400 MHz4 / 88 MB
Intel Core i7-2720QM compare2200 - 3300 MHz4 / 86 MB
Intel Core i7-2675QM compare2200 - 3100 MHz4 / 86 MB
Intel Core i7-2670QM compare2200 - 3100 MHz4 / 86 MB
Intel Core i7-2635QM compare2000 - 2900 MHz4 / 86 MB
Intel Core i7-2630QM compare2000 - 2900 MHz4 / 86 MB
Intel Core i7-2640M2800 - 3500 MHz2 / 44 MB
Intel Core i7-2620M compare2700 - 3400 MHz2 / 44 MB
Intel Core i7-2649M compare2300 - 3200 MHz2 / 44 MB
Intel Core i7-2629M compare2100 - 3000 MHz2 / 44 MB
Intel Core i7-2677M compare1800 - 2900 MHz2 / 44 MB
Intel Core i7-2637M compare1700 - 2800 MHz2 / 44 MB
Intel Core i7-2657M compare1600 - 2700 MHz2 / 44 MB
Intel Core i7-2617M compare1500 - 2600 MHz2 / 44 MB
2800 - 3500 MHz2400 - 3500 MHz
128 KB256 KB
512 KB1 MB
4 MB6 MB
2 / 44 / 8
35 45
624 995
32 32
149 mm2216 mm2
100 °C100 °C
HD Graphics 3000, DDR3-1066/1333 Memory Controller (max 8GB), HyperThreading, AVX, Quick Sync, VirtualizationHD Graphics 3000, DDR-1333 Memory Controller, HyperThreading, AVX, Quick Sync, Virtualization
iGPUIntel HD Graphics 3000 (650 - 1300 MHz)Intel HD Graphics 3000 (650 - 1300 MHz)
$346 U.S.$378 U.S.
FCBGA1224, FCPGA988

Cinebench R11.5 - CPU Multi 64Bit
min: 3.07     avg: 3.1     median: 3.2 (7%)     max: 3.2 Points
min: 5.49     avg: 5.6     median: 5.6 (13%)     max: 5.66 Points
Cinebench R11.5 - CPU Single 64Bit
100%
1 2640M +
1.4 Points (53%)
Cinebench R10 - Rendering Single 32Bit
min: 4009     avg: 4383     median: 4443 (46%)     max: 4506 Points
min: 4451     avg: 4475     median: 4474 (46%)     max: 4499 Points
Cinebench R10 - Rendering Multiple CPUs 32Bit
min: 9691     avg: 9766     median: 9778 (16%)     max: 9833 Points
min: 14760     avg: 15869     median: 16211 (27%)     max: 16293 Points
Cinebench R10 - Rendering Multiple CPUs 64Bit
min: 11067     avg: 11767     median: 11874 (14%)     max: 12037 Points
min: 18048     avg: 19417     median: 19747 (23%)     max: 20126 Points
Cinebench R10 - Rendering Single CPUs 64Bit
min: 5445     avg: 5549     median: 5534 (51%)     max: 5665 Points
min: 5471     avg: 5509     median: 5471.5 (51%)     max: 5623 Points
wPrime 2.10 - 1024m *
min: 478.5     avg: 494     median: 489 (6%)     max: 523.632 seconds
294 seconds (3%)
wPrime 2.10 - 32m *
min: 15     avg: 15.5     median: 15.1 (3%)     max: 16.614 seconds
8.2 seconds (2%)
WinRAR - Result
min: 2555     avg: 2632     median: 2620 (27%)     max: 2733 KB/s
4325 KB/s (44%)
X264 HD Benchmark 4.0 - Pass 2
min: 16.38     avg: 16.9     median: 17 (10%)     max: 17.21 fps
28 fps (17%)
X264 HD Benchmark 4.0 - Pass 1
min: 88.74     avg: 91     median: 89.4 (31%)     max: 95 fps
120 fps (41%)
TrueCrypt - Serpent Mean 100MB
min: 0.124     avg: 0.1     median: 0.1 (0%)     max: 0.152 GB/s
0.3 GB/s (0%)
TrueCrypt - Twofish Mean 100MB
min: 0.198     avg: 0.2     median: 0.3 (0%)     max: 0.27 GB/s
0.5 GB/s (0%)
TrueCrypt - AES Mean 100MB
1.6 GB/s (0%)
3 GB/s (0%)
3DMark 06 - CPU - CPU Score
min: 3882     avg: 3934     median: 3927 (26%)     max: 3978 Points
min: 5677     avg: 5930     median: 6000.5 (40%)     max: 6042 Points
Super Pi mod 1.5 XS 1M - 1M *
min: 11     avg: 11.2     median: 11 (2%)     max: 11.66 Seconds
min: 11     avg: 11     median: 11 (2%)     max: 11.1 Seconds
Super Pi mod 1.5 XS 2M - 2M *
min: 25     avg: 26     median: 26 (1%)     max: 27.04 Seconds
min: 25     avg: 25.3     median: 25 (1%)     max: 26 Seconds
Super Pi Mod 1.5 XS 32M - 32M *
min: 604     avg: 626     median: 634 (3%)     max: 639 Seconds
min: 604     avg: 610     median: 604 (3%)     max: 621 Seconds
SiSoft Sandra Dhrystone (MIPS) - Dhrystone
min: 64300     avg: 64523     median: 64545 (31%)     max: 64700 MIPS
107700 MIPS (51%)
SiSoft Sandra Whetstone (MFLOPS) - Whetstone
min: 39000     avg: 39255     median: 39135 (30%)     max: 39750 MFLOPS
72380 MFLOPS (56%)
Windows 7 Experience Index - Processor
min: 7     avg: 7.2     median: 7.1 (91%)     max: 7.6 points
7.5 points (96%)
3DMark Vantage - P CPU no PhysX 1280x1024
min: 10127     avg: 10509     median: 10559 (15%)     max: 10838 Points
min: 16044     avg: 19256     median: 20451 (29%)     max: 20494 Points
3DMark 11 - Performance Physics 1280x720
min: 3902     avg: 4140     median: 4172 (19%)     max: 4320 points
min: 6050     avg: 6810     median: 7061.5 (32%)     max: 7068 points
3DMark - Ice Storm Standard Physics 1280x720
100%
1 2640M +
26569 Points (17%)
3DMark - Cloud Gate Standard Physics 1280x720
100%
1 2640M +
2876 Points (7%)
Geekbench 2 - 32 Bit - Stream
100%
1 2640M +
7873 Points (64%)
Geekbench 2 - 32 Bit - Memory
100%
1 2640M +
6847 Points (62%)
Geekbench 2 - 32 Bit - Floating Point
100%
1 2640M +
7293 Points (14%)
Geekbench 2 - 32 Bit - Integer
100%
1 2640M +
6298 Points (13%)
Geekbench 2 - 32 Bit - Total Score
100%
1 2640M +
6913 Points (18%)

Average Benchmarks Intel Core i7-2640M → 100% n=22

Average Benchmarks Intel Core i7-2760QM → 146% n=22

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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)