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Intel Core i7-3940XM Benchmark, Test and specs
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The Intel Core i7-3940XM was released in Q3/2012 and has 4 cores. The processor can process 8 threads simultaneously and uses a mainboard with the socket PGA 988. In the Geekbench 5 benchmark, the Intel Core i7-3940XM achieved a result of 799 points (single-core) or 3,310 points (multi-core).
| Name: | Intel Core i7-3940XM |
|---|---|
| Family: | Intel Core i7 Extreme Edition (24) |
| CPU group: | Intel Core i 3000M (29) |
| Architecture: | Ivy Bridge H |
| Technology: | 22 nm |
| Segment: | Notebook |
| Generation: | 3 |
| Predecessor: | -- |
| Successor: | -- |
CPU Cores and Base Frequency
The Intel Core i7-3940XM has 4 cores. The clock frequency of the Intel Core i7-3940XM is 3.00 GHz (3.90 GHz). An initial performance assessment can be made using the number of CPU cores.
| CPU Cores / Threads: | 4 / 8 |
|---|---|
| Core architecture: | normal |
| Cores: | 4x |
| Hyperthreading / SMT: | Yes |
|---|---|
| Overclocking: | Yes |
| Frequency: | 3.00 GHz |
| Turbo Frequency (1 Core): | 3.90 GHz |
| Turbo Frequency (4 Cores): | -- |
Integrated graphics (iGPU)
The Intel Core i7-3940XM has an integrated graphics that the system can use to efficiently play back videos. The Intel Core i7-3940XM has the Intel HD Graphics 4000 installed, which has 16 streaming multiprocessors (128 shaders).
| GPU name: | Intel HD Graphics 4000 |
|---|---|
| GPU frequency: | 0.65 GHz |
| GPU (Turbo): | 1.35 GHz |
| Compute units: | 16 |
| Shader: | 128 |
| Hardware Raytracing: | No |
| Release date: | Q1/2011 |
| Max. displays: | 3 |
|---|---|
| Generation: | 7 |
| Direct X: | 11.0 |
| Technology: | 22 nm |
| Max. GPU Memory: | 2 GB |
| Frame Generation: | No |
Hardware codec support
Processors with integrated graphics can process video codecs faster. Support for modern codecs can significantly increase system efficiency during video playback.
| h265 / HEVC (8 bit): | No |
|---|---|
| h265 / HEVC (10 bit): | No |
| h264: | Decode / Encode |
| VP8: | No |
| VP9: | No |
| AV1: | No |
|---|---|
| AVC: | Decode / Encode |
| VC-1: | Decode |
| JPEG: | Decode |
Memory & PCIeThe Intel Core i7-3940XM supports a maximum of 32 GB memory. Depending on the mainboard, the processor can use a maximum of 2 (Dual Channel) memory channels. This results in a maximum bandwidth of the main memory of 25.6 GB/s. |
|
| Memory type: | Memory bandwidth: |
|---|---|
| DDR3L-1333 DDR3L-1600 DDR3-1333 DDR3-1600 | 21.3 GB/s 25.6 GB/s 21.3 GB/s 25.6 GB/s |
| Max. Memory: | 32 GB |
| Memory channels: | 2 (Dual Channel) |
| ECC: | No |
| PCIe: | 3.0 x 16 |
| PCIe Bandwidth: | 15.8 GB/s |
Thermal ManagementThe Intel Core i7-3940XM has a TDP of 55 W. Based on the TDP, the system manufacturer can and must adapt the cooling solution to the processor. |
|
|---|---|
| TDP (PL1 / PBP): | 55 W |
| TDP (PL2): | -- |
| TDP up: | -- |
| TDP down: | -- |
| Tjunction max.: | 105 °C |
Technical details
Modern production reduces the waste heat of a processor and increases its efficiency. The Intel Core i7-3940XM is made in 22 nm and has 8.00 MB cache.
| Technology: | 22 nm |
|---|---|
| Chip design: | Monolithic |
| Socket: | PGA 988 |
| L2-Cache: | -- |
| L3-Cache: | 8.00 MB |
| AES-NI: | Yes |
| Operating systems: | Windows 10, Linux |
| Virtualization: | VT-x, VT-x EPT |
|---|---|
| Instruction set (ISA): | x86-64 (64 bit) |
| ISA extensions: | SSE4.1, SSE4.2, AVX |
| Release date: | Q3/2012 |
| Release price: | -- |
| Part Number: | -- |
| Documents: | -- |
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Benchmark results
The benchmark results for the Intel Core i7-3940XM have been carefully checked by us. We only publish benchmark results that have been created by us or that have been submitted by a visitor and then checked by a team member. All results are based on and fullfill our benchmark guidelines.
Geekbench 6 (Single-Core)
Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.
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Intel Core i7-3720QM
4C 8T @ 3.60 GHz |
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Intel Core i7-3540M
2C 4T @ 3.70 GHz |
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Intel Core M-5Y10c
2C 4T @ 2.00 GHz |
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Intel Core i7-3940XM
4C 8T @ 3.90 GHz |
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Intel Core i7-3840QM
4C 8T @ 3.80 GHz |
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Intel Core i7-3920XM
4C 8T @ 3.80 GHz |
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Intel Core i7-3520M
2C 4T @ 3.60 GHz |
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Geekbench 6 (Multi-Core)
The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.
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Intel Core i5-6300HQ
4C 4T @ 2.70 GHz |
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Intel Core i5-6350HQ
4C 4T @ 2.70 GHz |
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AMD Ryzen 3 3350U
4C 4T @ 2.10 GHz |
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Intel Core i7-3940XM
4C 8T @ 3.00 GHz |
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Intel Core i7-7660U
2C 4T @ 3.80 GHz |
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Intel Core i7-3920XM
4C 8T @ 2.90 GHz |
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AMD Athlon Gold 7220U
2C 4T @ 3.00 GHz |
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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.
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AMD Athlon 300U
2C 4T @ 3.30 GHz |
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Intel Core i5-5287U
2C 4T @ 3.30 GHz |
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Intel Core i7-4558U
2C 4T @ 3.30 GHz |
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Intel Core i7-3940XM
4C 8T @ 3.90 GHz |
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Intel Core i7-3920XM
4C 8T @ 3.80 GHz |
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Intel Core i7-3840QM
4C 8T @ 3.80 GHz |
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Qualcomm Snapdragon Microsoft SQ2
8C 8T @ 3.15 GHz |
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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.
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Intel Core i7-4910MQ
4C 8T @ 2.90 GHz |
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Intel Core i7-4950HQ
4C 8T @ 2.40 GHz |
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Intel Core i7-8665U
4C 8T @ 2.80 GHz |
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Intel Core i7-3940XM
4C 8T @ 3.00 GHz |
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Intel Core i7-6870HQ
4C 8T @ 3.20 GHz |
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Intel Core i7-6820HQ
4C 8T @ 3.20 GHz |
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Intel Core i7-8565U
4C 8T @ 2.40 GHz |
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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.
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Intel Core i3-5020U
Intel HD Graphics 5500 @ 0.90 GHz |
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Intel Core i3-6006U
Intel HD Graphics 520 @ 0.90 GHz |
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Intel Core i3-6100H
Intel HD Graphics 530 @ 0.90 GHz |
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Intel Core i7-3940XM
Intel HD Graphics 4000 @ 1.35 GHz |
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Intel Celeron N5100
Intel UHD Graphics 24 EUs (Jasper Lake) @ 0.85 GHz |
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Intel Core i7-3920XM
Intel HD Graphics 4000 @ 1.30 GHz |
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Intel Core i7-3540M
Intel HD Graphics 4000 @ 1.30 GHz |
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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.
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Intel Core i7-3840QM
4C 8T @ 2.80 GHz |
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Intel Core i5-8250U
4C 8T @ 2.30 GHz |
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AMD Ryzen 3 3350U
4C 4T @ 2.10 GHz |
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Intel Core i7-3940XM
4C 8T @ 3.00 GHz |
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Intel Core i7-4800MQ
4C 8T @ 3.70 GHz |
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Intel Core i3-1115G4E
2C 4T @ 3.90 GHz |
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AMD Ryzen 3 PRO 3300U
4C 4T @ 2.10 GHz |
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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.
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Intel Core i5-8300H
4C 8T @ 2.30 GHz |
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Intel Core i5-8350U
4C 8T @ 1.70 GHz |
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Intel Core i7-6820HK
4C 8T @ 2.70 GHz |
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Intel Core i7-3940XM
4C 8T @ 3.00 GHz |
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Intel Core i7-7700HQ
4C 8T @ 2.80 GHz |
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Intel Core i7-8650U
4C 8T @ 1.90 GHz |
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Intel Core i7-4910MQ
4C 8T @ 2.90 GHz |
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Benchmarks
Geekbench 6 (SC)
1,822 entries
1,822 entries
Geekbench 6 (MC)
1,768 entries
1,768 entries
Geekbench 5 (SC)
2,502 entries
2,502 entries
Geekbench 5 (MC)
2,474 entries
2,474 entries
FP32 SP (iGPU)
2,093 entries
2,093 entries
PassMark CPU-Mark
2,423 entries
2,423 entries
CPU-Z Benchmark 17 (MC)
741 entries
741 entries
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