MediaTek Dimensity 900 | Intel Core i9-9940X | |
CPU comparisonMediaTek Dimensity 900 or Intel Core i9-9940X - 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 900 has 8 cores with 8 threads and clocks with a maximum frequency of 2.40 GHz. Up to 16 GB of memory is supported in 4 memory channels. The MediaTek Dimensity 900 was released in Q2/2021. The Intel Core i9-9940X has 14 cores with 28 threads and clocks with a maximum frequency of 4.50 GHz. The CPU supports up to 128 GB of memory in 4 memory channels. The Intel Core i9-9940X was released in Q4/2018. |
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Mediatek Dimensity (36) | Family | Intel Core i9 (78) |
MediaTek Dimensity 900 (3) | CPU group | Intel Core i 9000X (8) |
2 | Generation | 9 |
Cortex-A78 / Cortex-A55 | Architecture | Skylake X Refresh |
Mobile | Segment | Desktop / Server |
-- | Predecessor | Intel Core i9-7940X |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe MediaTek Dimensity 900 has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the MediaTek Dimensity 900 is 2.40 GHz while the Intel Core i9-9940X has 14 CPU cores and 28 threads can calculate simultaneously. The clock frequency of the Intel Core i9-9940X is at 3.30 GHz (4.50 GHz). |
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MediaTek Dimensity 900 | Characteristic | Intel Core i9-9940X |
8 | Cores | 14 |
8 | Threads | 28 |
hybrid (big.LITTLE) | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | Yes |
2.40 GHz 2x Cortex-A78 |
A-Core | 3.30 GHz (4.50 GHz) |
2.00 GHz 6x Cortex-A55 |
B-Core | -- |
Integrated graphics (iGPU)The MediaTek Dimensity 900 or Intel Core i9-9940X 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-G68 MP4 | GPU | no iGPU |
0.85 GHz | GPU frequency | -- |
-- | GPU (Turbo) | -- |
Vallhall 2 | GPU Generation | -- |
6 nm | Technology | |
1 | Max. displays | |
4 | Compute units | -- |
64 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | -- |
12 | DirectX Version | -- |
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-G68 MP4 | GPU | no iGPU |
Decode / Encode | Codec h265 / HEVC (8 bit) | No |
Decode / Encode | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | No |
Decode / Encode | Codec VP9 | No |
Decode / Encode | Codec VP8 | No |
Decode | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode / Encode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeThe MediaTek Dimensity 900 can use up to 16 GB of memory in 4 memory channels. The maximum memory bandwidth is 44.0 GB/s. The Intel Core i9-9940X supports up to 128 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 85.4 GB/s. |
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MediaTek Dimensity 900 | Characteristic | Intel Core i9-9940X |
LPDDR5-5500, LPDDR4X-4266 | Memory | DDR4-2666 |
16 GB | Max. Memory | 128 GB |
4 (Quad Channel) | Memory channels | 4 (Quad Channel) |
44.0 GB/s | Max. Bandwidth | 85.4 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
2.00 MB | L3 Cache | 19.00 MB |
-- | PCIe version | 3.0 |
-- | PCIe lanes | 44 |
-- | PCIe Bandwidth | 43.3 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the MediaTek Dimensity 900 is 10 W, while the Intel Core i9-9940X has a TDP of 165 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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MediaTek Dimensity 900 | Characteristic | Intel Core i9-9940X |
10 W | TDP (PL1 / PBP) | 165 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 92 °C |
Technical detailsThe MediaTek Dimensity 900 is manufactured in 6 nm and has 2.00 MB cache. The Intel Core i9-9940X is manufactured in 14 nm and has a 19.00 MB cache. |
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MediaTek Dimensity 900 | Characteristic | Intel Core i9-9940X |
6 nm | Technology | 14 nm |
Chiplet | Chip design | Monolithic |
Armv8-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
-- | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
-- | Socket | LGA 2066 |
None | Virtualization | VT-x, VT-x EPT, VT-d |
No | AES-NI | Yes |
Android | Operating systems | Windows 10, Windows 11, Linux |
Q2/2021 | Release date | Q4/2018 |
-- | Release price | 1387 $ |
show more data | show more data | |
MediaTek Dimensity 900
8C 8T @ 2.40 GHz |
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Intel Core i9-9940X
14C 28T @ 4.50 GHz |
MediaTek Dimensity 900
8C 8T @ 2.40 GHz |
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Intel Core i9-9940X
14C 28T @ 4.20 GHz |
MediaTek Dimensity 900
8C 8T @ 2.40 GHz |
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Intel Core i9-9940X
14C 28T @ 4.50 GHz |
MediaTek Dimensity 900
8C 8T @ 2.40 GHz |
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Intel Core i9-9940X
14C 28T @ 4.20 GHz |
MediaTek Dimensity 900
8C 8T @ 2.40 GHz |
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Intel Core i9-9940X
14C 28T @ 4.20 GHz |
MediaTek Dimensity 900
8C 8T @ 2.40 GHz |
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Intel Core i9-9940X
14C 28T @ 4.50 GHz |
MediaTek Dimensity 900
8C 8T @ 2.40 GHz |
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Intel Core i9-9940X
14C 28T @ 4.20 GHz |
MediaTek Dimensity 900
8C 8T @ 2.40 GHz |
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Intel Core i9-9940X
14C 28T @ 3.30 GHz |
MediaTek Dimensity 900
8C 8T @ 2.40 GHz |
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Intel Core i9-9940X
14C 28T @ 4.50 GHz |
MediaTek Dimensity 900
8C 8T @ 2.40 GHz |
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Intel Core i9-9940X
14C 28T @ 4.20 GHz |
Devices using this processor |
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MediaTek Dimensity 900 | Intel Core i9-9940X |
Unknown | Unknown |