MediaTek Dimensity 800 vs Intel Core i7-3940XM
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CPU comparison with benchmarks
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| MediaTek Dimensity 800 | Intel Core i7-3940XM | |
CPU comparisonMediaTek Dimensity 800 or Intel Core i7-3940XM - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The MediaTek Dimensity 800 has 8 cores with 8 threads and clocks with a maximum frequency of 2.00 GHz. Up to GB of memory is supported in 2 memory channels. The MediaTek Dimensity 800 was released in Q2/2020. The Intel Core i7-3940XM has 4 cores with 8 threads and clocks with a maximum frequency of 3.90 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Core i7-3940XM was released in Q3/2012. |
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| Mediatek Dimensity (36) | Family | Intel Core i7 Extreme Edition (24) |
| MediaTek Dimensity 700/720/800 (4) | CPU group | Intel Core i 3000M (29) |
| 1 | Generation | 3 |
| Cortex-A76 / Cortex-A55 | Architecture | Ivy Bridge H |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe MediaTek Dimensity 800 has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the MediaTek Dimensity 800 is 2.00 GHz while the Intel Core i7-3940XM has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Core i7-3940XM is at 3.00 GHz (3.90 GHz). |
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| MediaTek Dimensity 800 | Characteristic | Intel Core i7-3940XM |
| 8 | Cores | 4 |
| 8 | Threads | 8 |
| hybrid (big.LITTLE) | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | Yes |
| 2.00 GHz 4x Cortex-A76 |
A-Core | 3.00 GHz (3.90 GHz) |
| 2.00 GHz 4x Cortex-A55 |
B-Core | -- |
Internal GraphicsThe MediaTek Dimensity 800 or Intel Core i7-3940XM has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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| ARM Mali-G57 MP3 | GPU | Intel HD Graphics 4000 |
| 0.95 GHz | GPU frequency | 0.65 GHz |
| -- | GPU (Turbo) | 1.35 GHz |
| Vallhall 1 | GPU Generation | 7 |
| 7 nm | Technology | 22 nm |
| 2 | Max. displays | 3 |
| 3 | Compute units | 16 |
| 48 | Shader | 128 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 4 GB | Max. GPU Memory | 2 GB |
| 12 | DirectX Version | 11.0 |
Hardware codec supportA 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. |
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| ARM Mali-G57 MP3 | GPU | Intel HD Graphics 4000 |
| Decode / Encode | Codec h265 / HEVC (8 bit) | No |
| Decode / Encode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | Decode / Encode |
| Decode / Encode | Codec VP9 | No |
| Decode / Encode | Codec VP8 | No |
| Decode | Codec AV1 | No |
| Decode / Encode | Codec AVC | Decode / Encode |
| Decode / Encode | Codec VC-1 | Decode |
| Decode / Encode | Codec JPEG | Decode |
Memory & PCIeThe MediaTek Dimensity 800 can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 17.1 GB/s. The Intel Core i7-3940XM supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s. |
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| MediaTek Dimensity 800 | Characteristic | Intel Core i7-3940XM |
| LPDDR4X-4266 | Memory | DDR3L-1333, DDR3L-1600, DDR3-1333, DDR3-1600 |
| Max. Memory | 32 GB | |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 17.1 GB/s | Max. Bandwidth | 25.6 GB/s |
| No | ECC | No |
| -- | L2 Cache | -- |
| -- | L3 Cache | 8.00 MB |
| -- | PCIe version | 3.0 |
| -- | PCIe lanes | 16 |
| -- | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the MediaTek Dimensity 800 is --, while the Intel Core i7-3940XM has a TDP of 55 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| MediaTek Dimensity 800 | Characteristic | Intel Core i7-3940XM |
| -- | TDP (PL1 / PBP) | 55 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | 105 °C |
Technical detailsThe MediaTek Dimensity 800 is manufactured in 7 nm and has 0.00 MB cache. The Intel Core i7-3940XM is manufactured in 22 nm and has a 8.00 MB cache. |
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| MediaTek Dimensity 800 | Characteristic | Intel Core i7-3940XM |
| 7 nm | Technology | 22 nm |
| Chiplet | Chip design | Monolithic |
| Armv8-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| -- | ISA extensions | SSE4.1, SSE4.2, AVX |
| -- | Socket | PGA 988 |
| None | Virtualization | VT-x, VT-x EPT |
| No | AES-NI | Yes |
| Android | Operating systems | Windows 10, Linux |
| Q2/2020 | Release date | Q3/2012 |
| -- | Release price | -- |
| show more data | show more data | |
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks
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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MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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Intel Core i7-3940XM
4C 8T @ 3.90 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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MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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Intel Core i7-3940XM
4C 8T @ 3.00 GHz |
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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.
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MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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Intel Core i7-3940XM
4C 8T @ 3.90 GHz |
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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.
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MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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Intel Core i7-3940XM
4C 8T @ 3.00 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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MediaTek Dimensity 800
ARM Mali-G57 MP3 @ 0.95 GHz |
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Intel Core i7-3940XM
Intel HD Graphics 4000 @ 1.35 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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MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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Intel Core i7-3940XM
4C 8T @ 3.00 GHz |
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AnTuTu 9 Benchmark
The AnTuTu 9 benchmark is very well suited to measuring the performance of a smartphone. AnTuTu 9 is quite heavy on 3D graphics and can now also use the "Metal" graphics interface. In AnTuTu, memory and UX (user experience) are also tested by simulating browser and app usage. AnTuTu version 9 can compare any ARM CPU running on Android or iOS. Devices may not be directly comparable when benchmarked on different operating systems.
In the AnTuTu 9 benchmark, the single-core performance of a processor is only slightly weighted. The rating is made up of the multi-core performance of the processor, the speed of the working memory, and the performance of the internal graphics.
In the AnTuTu 9 benchmark, the single-core performance of a processor is only slightly weighted. The rating is made up of the multi-core performance of the processor, the speed of the working memory, and the performance of the internal graphics.
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MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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Intel Core i7-3940XM
4C 8T @ 3.00 GHz |
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AnTuTu 8 Benchmark
The AnTuTu 8 Benchmark measures the performance of a SoC. AnTuTu benchmarks the CPU, GPU, Memory as well as the UX (User Experience) by simulating browser and app usage. AnTuTu can benchmark any ARM CPU that runs under Android or iOS. Devices may not be directly compareable if the benchmark has been performed under different operating systems.
In the AnTuTu 8 benchmark, the single-core performance of a processor is only slightly weighted. The evaluation consists of the multi-core performance of the processor, the speed of the RAM and the performance of the internal graphics.
In the AnTuTu 8 benchmark, the single-core performance of a processor is only slightly weighted. The evaluation consists of the multi-core performance of the processor, the speed of the RAM and the performance of the internal graphics.
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MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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Intel Core i7-3940XM
4C 8T @ 3.00 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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MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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Intel Core i7-3940XM
4C 8T @ 3.00 GHz |
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Devices using this processor |
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| MediaTek Dimensity 800 | Intel Core i7-3940XM |
| Unknown | Unknown |
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