Intel Core i7-3940XM vs Intel Xeon W-3245M

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CPU comparison with benchmarks


Intel Core i7-3940XM CPU1 vs CPU2 Intel Xeon W-3245M
Intel Core i7-3940XM Intel Xeon W-3245M

CPU comparison

In this CPU comparison, we compare the Intel Core i7-3940XM and the Intel Xeon W-3245M and use benchmarks to check which processor is faster.

We compare the Intel Core i7-3940XM 4 core processor released in Q3/2012 with the Intel Xeon W-3245M which has 16 CPU cores and was introduced in Q2/2019.
Intel Core i7 Extreme Edition (24) Family Intel Xeon W (83)
Intel Core i 3000M (29) CPU group Intel Xeon W-2200/3200 (17)
3 Generation 7
Ivy Bridge H Architecture Cascade Lake W
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-3940XM is a 4 core processor with a clock frequency of 3.00 GHz (3.90 GHz). The processor can compute 8 threads at the same time. The Intel Xeon W-3245M clocks with 3.20 GHz (4.60 GHz), has 16 CPU cores and can calculate 32 threads in parallel.

Intel Core i7-3940XM Characteristic Intel Xeon W-3245M
4 Cores 16
8 Threads 32
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? No
3.00 GHz Frequency 3.20 GHz
3.90 GHz Turbo Frequency (1 Core) 4.60 GHz
-- Turbo Frequency (All Cores) 4.00 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Core i7-3940XM Characteristic Intel Xeon W-3245M
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel HD Graphics 4000 GPU no iGPU
0.65 GHz GPU frequency --
1.35 GHz GPU (Turbo) --
7 GPU Generation --
22 nm Technology
3 Max. displays
16 Compute units --
128 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
11.0 DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Intel HD Graphics 4000 GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode Codec JPEG No

Memory & PCIe

Up to 32 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i7-3940XM, while the Intel Xeon W-3245M supports a maximum of 2048 GB of memory with a maximum memory bandwidth of 140.7 GB/s enabled.

Intel Core i7-3940XM Characteristic Intel Xeon W-3245M
DDR3L-1333, DDR3L-1600, DDR3-1333, DDR3-1600 Memory DDR4-2933
32 GB Max. Memory 2048 GB
2 (Dual Channel) Memory channels 6 (Hexa Channel)
25.6 GB/s Max. Bandwidth 140.7 GB/s
No ECC Yes
-- L2 Cache --
8.00 MB L3 Cache 22.00 MB
3.0 PCIe version 3.0
16 PCIe lanes 64
15.8 GB/s PCIe Bandwidth 63.0 GB/s

Thermal Management

The Intel Core i7-3940XM has a TDP of 55 W. The TDP of the Intel Xeon W-3245M is 205 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i7-3940XM Characteristic Intel Xeon W-3245M
55 W TDP (PL1 / PBP) 205 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
105 °C Tjunction max. --

Technical details

The Intel Core i7-3940XM has 8.00 MB cache and is manufactured in 22 nm. The cache of Intel Xeon W-3245M is at 22.00 MB. The processor is manufactured in 14 nm.

Intel Core i7-3940XM Characteristic Intel Xeon W-3245M
22 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
PGA 988 Socket LGA 3647
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2012 Release date Q2/2019
-- Release price 5000 $
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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core i7-3940XM (60%)
Intel Xeon W-3245M (100%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Core i7-3940XM (21%)
Intel Xeon W-3245M (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-3940XM Intel Core i7-3940XM
4C 8T @ 3.90 GHz
799 (68%)
Intel Xeon W-3245M Intel Xeon W-3245M
16C 32T @ 4.60 GHz
1182 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-3940XM Intel Core i7-3940XM
4C 8T @ 3.00 GHz
3310 (21%)
Intel Xeon W-3245M Intel Xeon W-3245M
16C 32T @ 4.00 GHz
16096 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i7-3940XM Intel Core i7-3940XM
4C 8T @ 3.90 GHz
694 (51%)
Intel Xeon W-3245M Intel Xeon W-3245M
16C 32T @ 4.60 GHz
1374 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i7-3940XM Intel Core i7-3940XM
4C 8T @ 3.00 GHz
2670 (23%)
Intel Xeon W-3245M Intel Xeon W-3245M
16C 32T @ 4.00 GHz
11766 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i7-3940XM Intel Core i7-3940XM
4C 8T @ 3.00 GHz
5849 (20%)
Intel Xeon W-3245M Intel Xeon W-3245M
16C 32T @ 4.00 GHz
28894 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-3940XM Intel Core i7-3940XM
4C 8T @ 3.90 GHz
0 (0%)
Intel Xeon W-3245M Intel Xeon W-3245M
16C 32T @ 4.60 GHz
437 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-3940XM Intel Core i7-3940XM
4C 8T @ 3.00 GHz
0 (0%)
Intel Xeon W-3245M Intel Xeon W-3245M
16C 32T @ 4.00 GHz
7444 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i7-3940XM Intel Core i7-3940XM
Intel HD Graphics 4000 @ 1.35 GHz
346 (100%)
Intel Xeon W-3245M Intel Xeon W-3245M
@ 0.00 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i7-3940XM Intel Core i7-3940XM
4C 8T @ 3.00 GHz
1790 (100%)
Intel Xeon W-3245M Intel Xeon W-3245M
16C 32T @ 3.20 GHz
0 (0%)

Devices using this processor

Intel Core i7-3940XM Intel Xeon W-3245M
Unknown Unknown

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