Intel Core i7-3537U vs Intel Core i7-3940XM

Intel Core i7-3537U

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The Intel Core i7-3537U is a fast ULV-processor for laptops based on the Ivy Bridge architecture released 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 2.0 GHz but can dynamically increase clock rates with Turbo Boost up to 2.9 GHz (for 2 active cores) and 3.1 GHz (for 1 active core). As its Sandy-Bridge-based predecessors, 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 i7-3537U is slightly above a similarly clocked Sandy Bridge processor due to the architectural improvements. Therefore, and because of the higher clock speed, the Core i7-2677M is easily outperformed by more than 10 %.

The integrated Intel HD Graphics 4000 offers 16 Execution Units (EUs) clocked at 350 MHz up to 1200 MHz with Turbo Boost, delivering a performance comparable with an AMD Radeon HD 6620G.

The ULV-CPUs are rated at a TDP of 17 W including graphics card and memory controller.  Therefore, the CPU is suited for small laptops and ultrabooks.

Intel Core i7-3940XM

► remove Intel 3940XM

The Intel Core i7-3940XM is the fastest quad-core processor for laptops (at the time of introduction in September 2012) an successor of the i7-3920XM. 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 3.0 GHz but can dynamically increase clock rates with Turbo Boost up to 3.7 GHz (for 4 active cores), 3.8 GHz (for 2 active cores) and 3.9 GHz (for 1 active core). Furthermore, the Extreme CPUs offer an unlocked multiplicator for easy overclocking.

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 i7-3940XM should be slightly above a similarly clocked Sandy Bridge processor due to slight architectural improvements. Because of the higher clock speed, the former champion Core i7-3920XM should be outperformed by about 3%.

The integrated Intel HD Graphics 4000 offers 16 Execution Units (EUs) clocked at 650 MHz up to 1350 MHz with Turbo Boost, making it the fastest variant.

The XM CPUs are rated at a TDP of 55 Watts including graphics card and memory controller and therefore 10 Watt higher than the other quad-core models.  Therefore, the CPU is well-suited for laptops 17-inches or greater.

Intel Core i7-3537UIntel Core i7-3940XM
Intel Core i7Intel Core i7
Ivy BridgeIvy Bridge
: Core i7 Ivy Bridge
Intel Core i7-3940XM3000 - 3900 MHz4 / 88 MB
Intel Core i7-3920XM compare2900 - 3800 MHz4 / 88 MB
Intel Core i7-3840QM compare2800 - 3800 MHz4 / 88 MB
Intel Core i7-3820QM compare2700 - 3700 MHz4 / 88 MB
Intel Core i7-3740QM compare2700 - 3700 MHz4 / 86 MB
Intel Core i7-3720QM compare2600 - 3600 MHz4 / 86 MB
Intel Core i7-3635QM compare2400 - 3400 MHz4 / 86 MB
Intel Core i7-3630QM compare2400 - 3400 MHz4 / 86 MB
Intel Core i7-3615QM compare2300 - 3300 MHz4 / 86 MB
Intel Core i7-3610QM compare2300 - 3300 MHz4 / 86 MB
Intel Core i7-3632QM compare2200 - 3200 MHz4 / 86 MB
Intel Core i7-3612QM compare2100 - 3100 MHz4 / 86 MB
Intel Core i7-3540M compare3000 - 3700 MHz2 / 44 MB
Intel Core i7-3520M compare2900 - 3600 MHz2 / 44 MB
Intel Core i7-3687U compare2100 - 3300 MHz2 / 44 MB
Intel Core i7-3667U compare2000 - 3200 MHz2 / 44 MB
» Intel Core i7-3537U2000 - 3100 MHz2 / 44 MB
Intel Core i7-3517U compare1900 - 3000 MHz2 / 44 MB
Intel Core i7-3689Y compare1500 - 2600 MHz2 / 44 MB
» Intel Core i7-3940XM3000 - 3900 MHz4 / 88 MB
Intel Core i7-3920XM compare2900 - 3800 MHz4 / 88 MB
Intel Core i7-3840QM compare2800 - 3800 MHz4 / 88 MB
Intel Core i7-3820QM compare2700 - 3700 MHz4 / 88 MB
Intel Core i7-3740QM compare2700 - 3700 MHz4 / 86 MB
Intel Core i7-3720QM compare2600 - 3600 MHz4 / 86 MB
Intel Core i7-3635QM compare2400 - 3400 MHz4 / 86 MB
Intel Core i7-3630QM compare2400 - 3400 MHz4 / 86 MB
Intel Core i7-3615QM compare2300 - 3300 MHz4 / 86 MB
Intel Core i7-3610QM compare2300 - 3300 MHz4 / 86 MB
Intel Core i7-3632QM compare2200 - 3200 MHz4 / 86 MB
Intel Core i7-3612QM compare2100 - 3100 MHz4 / 86 MB
Intel Core i7-3540M compare3000 - 3700 MHz2 / 44 MB
Intel Core i7-3520M compare2900 - 3600 MHz2 / 44 MB
Intel Core i7-3687U compare2100 - 3300 MHz2 / 44 MB
Intel Core i7-3667U compare2000 - 3200 MHz2 / 44 MB
Intel Core i7-3537U2000 - 3100 MHz2 / 44 MB
Intel Core i7-3517U compare1900 - 3000 MHz2 / 44 MB
Intel Core i7-3689Y compare1500 - 2600 MHz2 / 44 MB
2000 - 3100 MHz3000 - 3900 MHz
128 KB256 KB
512 KB1 MB
4 MB8 MB
2 / 44 / 8
17 55
22 22
105 °C105 °C
FCBGA1023FCPGA988
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 4000, DDR3(L)-1600 Memory Controller, HyperThreading, AVX, Quick Sync, Virtualization
iGPUIntel HD Graphics 4000 (350 - 1200 MHz)Intel HD Graphics 4000 (650 - 1350 MHz)
$346 U.S.$1096 U.S.
Intel Core i7 3537U
1400
160 mm2

Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
247 Points (6%)
247 Points (6%)
Cinebench R15 - Cinebench R15 CPU Single 64 Bit
104 Points (45%)
104 Points (45%)
Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 1.7     avg: 2.6     median: 2.9 (7%)     max: 2.92 Points
min: 7.45     avg: 7.5     median: 7.5 (17%)     max: 7.46 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 0.86     avg: 1.2     median: 1.3 (50%)     max: 1.28 Points
min: 1.62     avg: 1.6     median: 1.6 (63%)     max: 1.63 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 4169     avg: 4254     median: 4271 (44%)     max: 4306
min: 5246     avg: 5255     median: 5252 (54%)     max: 5267
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 7748     avg: 8710     median: 9000 (15%)     max: 9092
min: 20438     avg: 20582     median: 20564 (35%)     max: 20744
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 6522     avg: 10088     median: 11002 (13%)     max: 11391 Points
min: 25475     avg: 25600     median: 25624 (30%)     max: 25700 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 4383     avg: 5033     median: 5268 (46%)     max: 5429 Points
min: 6506     avg: 6621     median: 6669 (58%)     max: 6687 Points
wPrime 2.10 - wPrime 2.0 1024m *
min: 535.502     avg: 570     median: 586 (7%)     max: 589.128 s
min: 208.8     avg: 219     median: 215.7 (3%)     max: 233 s
wPrime 2.10 - wPrime 2.0 32m *
min: 17.145     avg: 18.1     median: 18.4 (4%)     max: 18.731 s
min: 6.8     avg: 7     median: 7 (1%)     max: 7.169 s
WinRAR - WinRAR 4.0
2544 (26%)
min: 3467     avg: 4124     median: 4123.5 (42%)     max: 4780
TrueCrypt - TrueCrypt Serpent
0.2 GB/s (0%)
min: 0.373     avg: 0.4     median: 0.4 (0%)     max: 0.386 GB/s
TrueCrypt - TrueCrypt Twofish
0.3 GB/s (0%)
min: 0.64     avg: 0.7     median: 0.7 (1%)     max: 0.66 GB/s
TrueCrypt - TrueCrypt AES
1.4 GB/s (0%)
min: 3.5     avg: 3.6     median: 3.7 (0%)     max: 3.7 GB/s
3DMark 06 - CPU - 3DMark 06 - CPU
min: 2219     avg: 3354     median: 3645 (24%)     max: 3677 Points
min: 7166     avg: 7182     median: 7176 (48%)     max: 7203 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 12.251     avg: 12.4     median: 12.4 (3%)     max: 12.465 s
min: 9     avg: 9.2     median: 9 (2%)     max: 9.554 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 27.97     avg: 28.4     median: 28.4 (1%)     max: 28.86 s
min: 21     avg: 21.1     median: 21 (1%)     max: 21.256 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 654.158     avg: 667     median: 666.6 (3%)     max: 679 s
min: 518     avg: 526     median: 525.5 (2%)     max: 533 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
min: 49330     avg: 53665     median: 53665 (25%)     max: 58000 MIPS
min: 147240     avg: 147620     median: 147620 (70%)     max: 148000 MIPS
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
min: 35470     avg: 36060     median: 36060 (28%)     max: 36650 MFLOPS
min: 89600     avg: 89630     median: 89630 (69%)     max: 89660 MFLOPS
Windows 7 Experience Index - Win7 CPU
7.1 Points (91%)
7.7 Points (99%)
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 9703     avg: 9928     median: 9949 (14%)     max: 10133 Points
min: 25344     avg: 25795     median: 25885 (36%)     max: 26157 Points
3DMark 11 - 3DM11 Performance Physics
min: 1981     avg: 3414     median: 3692 (17%)     max: 3952 Points
min: 7611     avg: 8737     median: 9032 (41%)     max: 9568 Points
3DMark - 3DMark Ice Storm Physics
min: 8127     avg: 23626     median: 27951 (18%)     max: 34578 Points
48410 Points (31%)
3DMark - 3DMark Cloud Gate Physics
min: 723     avg: 2147     median: 2757 (7%)     max: 2867 Points
7208 Points (18%)
3DMark - 3DMark Fire Strike Standard Physics
min: 963     avg: 3015     median: 3749 (12%)     max: 4061 Points
9863 Points (31%)

Average Benchmarks Intel Core i7-3537U → 100% n=26

Average Benchmarks Intel Core i7-3940XM → 184% n=26

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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)