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Intel Core i7-3667U vs Intel Core i7-3689Y vs Intel Core i7-3940XM

Intel Core i7-3667U

► remove from comparison

The Intel Core i7-3667U is the fastest ULV-processor for laptops based on the Ivy Bridge architecture at the time of introduction in Q2 2012. 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 3.0 GHz (for 2 active cores) and 3.2 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 i7-3667U 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 10 to 15%.

The integrated Intel HD Graphics 4000 offers 16 Execution Units (EUs) clocked at 350 MHz up to 1150 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 i7-3689Y

► remove from comparison

The Intel Core i7-3689Y is an ULV-processor for ultrabooks and tablets based on the Ivy Bridge architecture. 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 1.5 GHz but can dynamically increase clock rates with Turbo Boost up to 2.4 GHz (for 2 active cores) and 2.6 GHz (for 1 active core). As other dual core Core i7, 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 i7-3689Y is limited by the very low TDP. Therefore, the maximum turbo clocks are rarely achieved. Overall, the 3689Y should be a bit slower than the Core i5-3317U.

The integrated Intel HD Graphics 4000 offers 16 Execution Units (EUs) clocked at 350 MHz up to 850 MHz with Turbo Boost, delivering a performance comparable with an AMD Radeon HD 6520G.

The 3689Y is rated at a TDP of 13 W including graphics card and memory controller. If necessary, the TDP can be set to an even lower value of 10 W (cTDP Down). Therefore, the CPU is suited for tablets and ultrabooks.

Intel Core i7-3940XM

► remove from comparison 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.

ModelIntel Core i7-3667UIntel Core i7-3689YIntel Core i7-3940XM
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 i7-3635QM2.4 - 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 i7-3667U « 2 - 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 i7-3540M3 - 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 i7-3689Y « 1.5 - 2.6 GHz2 / 4 cores4 MB L3
Intel Core i7-3940XM « 3 - 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 i7-3540M3 - 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
Clock2000 - 3200 MHz1500 - 2600 MHz3000 - 3900 MHz
L1 Cache128 KB128 KB256 KB
L2 Cache512 KB512 KB1 MB
L3 Cache4 MB4 MB8 MB
Cores / Threads2 / 42 / 44 / 8
TDP17 Watt13 Watt55 Watt
Technology22 nm22 nm22 nm
max. Temp.105 °C105 °C105 °C
SocketBGA1023BGAFCPGA988
FeaturesTurbo 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 BitTurbo 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 - 1150 MHz)Intel HD Graphics 4000 (350 - 850 MHz)Intel HD Graphics 4000 (650 - 1350 MHz)
Architecturex86x86x86
$346 U.S.$1096 U.S.
Announced
Manufacturerark.intel.comark.intel.com
Transistors1400 Million
Die Size160 mm2

Benchmarks

Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
100%
1 3667U +
min: 2.55     avg: 2.8     median: 2.9 (4%)     max: 2.96 Points
256%
1 3940XM +
min: 7.45     avg: 7.5     median: 7.5 (10%)     max: 7.46 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
100%
1 3667U +
min: 1.3     avg: 1.3     median: 1.3 (33%)     max: 1.33 Points
123%
1 3940XM +
min: 1.62     avg: 1.6     median: 1.6 (40%)     max: 1.63 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
100%
1 3667U +
min: 3975     avg: 4215     median: 4215 (25%)     max: 4455 Points
125%
1 3940XM +
min: 5246     avg: 5255     median: 5252 (32%)     max: 5267 Points
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
100%
1 3667U +
min: 8290     avg: 8810     median: 8809.5 (6%)     max: 9329 Points
233%
1 3940XM +
min: 20438     avg: 20582     median: 20564 (15%)     max: 20744 Points
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
100%
1 3667U +
min: 10253     avg: 11057     median: 11294.5 (8%)     max: 11387 Points
227%
1 3940XM +
min: 25475     avg: 25600     median: 25624 (18%)     max: 25700 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
100%
1 3667U +
min: 5363     avg: 5524     median: 5563 (7%)     max: 5607 Points
120%
1 3940XM +
min: 6506     avg: 6621     median: 6669 (8%)     max: 6687 Points
wPrime 2.10 - wPrime 2.0 1024m *
100%
1 3667U +
min: 529     avg: 591     median: 570 (7%)     max: 675 s
104%
1 3940XM +
min: 208.8     avg: 219.2     median: 215.7 (3%)     max: 233 s
wPrime 2.10 - wPrime 2.0 32m *
100%
1 3667U +
min: 16.27     avg: 17.4     median: 17.8 (4%)     max: 18.1 s
102%
1 3940XM +
min: 6.8     avg: 7     median: 7 (1%)     max: 7.169 s
WinRAR - WinRAR 4.0
100%
1 3667U +
min: 2413     avg: 2474     median: 2474 (4%)     max: 2535 Points
167%
1 3940XM +
min: 3467     avg: 4124     median: 4123.5 (7%)     max: 4780 Points
X264 HD Benchmark 4.0 - x264 Pass 2
100%
1 3667U +
min: 14.54     avg: 15.4     median: 15.4 (5%)     max: 16.32 fps
263%
1 3940XM +
40.6 fps (14%)
X264 HD Benchmark 4.0 - x264 Pass 1
100%
1 3667U +
min: 86.3     avg: 87     median: 87 (20%)     max: 87.7 fps
185%
1 3940XM +
161.1 fps (37%)
TrueCrypt - TrueCrypt Serpent
100%
1 3667U +
0.2 GB/s (0%)
244%
1 3940XM +
min: 0.373     avg: 0.4     median: 0.4 (0%)     max: 0.386 GB/s
TrueCrypt - TrueCrypt Twofish
100%
1 3667U +
min: 0.259     avg: 0.3     median: 0.3 (5%)     max: 0.265 GB/s
248%
1 3940XM +
min: 0.64     avg: 0.7     median: 0.7 (11%)     max: 0.66 GB/s
TrueCrypt - TrueCrypt AES
100%
1 3667U +
min: 1.4     avg: 1.5     median: 1.5 (4%)     max: 1.5 GB/s
247%
1 3940XM +
min: 3.5     avg: 3.6     median: 3.7 (10%)     max: 3.7 GB/s
3DMark 06 - CPU - 3DMark 06 - CPU
100%
1 3667U +
min: 3393     avg: 3567     median: 3594.5 (8%)     max: 3685 Points
200%
1 3940XM +
min: 7166     avg: 7182     median: 7176 (15%)     max: 7203 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
100%
1 3667U +
min: 11     avg: 11.5     median: 11.4 (2%)     max: 12 s
101%
1 3940XM +
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 *
100%
1 3667U +
min: 27     avg: 27.4     median: 27.2 (1%)     max: 28 s
100%
1 3940XM +
min: 21     avg: 21.1     median: 21 (1%)     max: 21.26 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
100%
1 3667U +
min: 640     avg: 648     median: 647.5 (3%)     max: 655 s
101%
1 3940XM +
min: 518     avg: 526     median: 525.5 (2%)     max: 533 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
100%
1 3667U +
52000 MIPS (25%)
284%
1 3940XM +
min: 147240     avg: 147620     median: 147620 (70%)     max: 148000 MIPS
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
100%
1 3667U +
36570 MFLOPS (28%)
245%
1 3940XM +
min: 89600     avg: 89630     median: 89630 (69%)     max: 89660 MFLOPS
Windows 7 Experience Index - Win7 CPU
100%
1 3667U +
7.1 Points (91%)
108%
1 3940XM +
7.7 Points (99%)
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
100%
1 3667U +
min: 8295     avg: 9039     median: 9222 (8%)     max: 9600 Points
281%
1 3940XM +
min: 25344     avg: 25795     median: 25885 (23%)     max: 26157 Points
3DMark 11 - 3DM11 Performance Physics
100%
1 3667U +
min: 2618     avg: 3129     median: 3231 (9%)     max: 3436 Points
280%
1 3940XM +
min: 7611     avg: 8737     median: 9032 (24%)     max: 9568 Points
3DMark - 3DMark Ice Storm Physics
100%
1 3940XM +
48410 Points (39%)
3DMark - 3DMark Cloud Gate Physics
100%
1 3940XM +
7208 Points (18%)
3DMark - 3DMark Fire Strike Standard Physics
100%
1 3940XM +
9863 Points (18%)
Sunspider - Sunspider 0.9.1 Total Score *
100%
1 3667U +
128 ms (1%)

Average Benchmarks Intel Core i7-3667U → 0% n=

Average Benchmarks Intel Core i7-3940XM → 0% n=

- 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. 13:00:47

#0 checking url part for id 3078 +0s ... 0s

#1 checking url part for id 3648 +0s ... 0s

#2 checking url part for id 3345 +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 +0.032s ... 0.033s

#6 did output specs +0s ... 0.033s

#7 getting avg benchmarks for device 3078 +0.003s ... 0.036s

#8 got single benchmarks 3078 +0.016s ... 0.052s

#9 getting avg benchmarks for device 3648 +0.003s ... 0.055s

#10 got single benchmarks 3648 +0s ... 0.055s

#11 getting avg benchmarks for device 3345 +0.003s ... 0.058s

#12 got single benchmarks 3345 +0.014s ... 0.071s

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

#14 min, max, avg, median took s +0.182s ... 0.254s

#15 return log +0s ... 0.254s

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