AMD Ryzen 9 7945HX3D | AMD Ryzen Threadripper 3990X | |
CPU comparisonAMD Ryzen 9 7945HX3D or AMD Ryzen Threadripper 3990X - 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 AMD Ryzen 9 7945HX3D has 16 cores with 32 threads and clocks with a maximum frequency of 5.40 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 7945HX3D was released in Q3/2023. The AMD Ryzen Threadripper 3990X has 64 cores with 128 threads and clocks with a maximum frequency of 4.30 GHz. The CPU supports up to 2048 GB of memory in 4 memory channels. The AMD Ryzen Threadripper 3990X was released in Q1/2020. |
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AMD Ryzen 9 (35) | Family | AMD Ryzen Threadripper (13) |
AMD Ryzen 7045 (6) | CPU group | AMD Ryzen Threadripper 3000 (3) |
6 | Generation | 3 |
Dragon Range (Zen 4) | Architecture | Castle Peak (Zen 2) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | AMD Ryzen Threadripper 2990WX |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 9 7945HX3D has 16 CPU cores and can calculate 32 threads in parallel. The clock frequency of the AMD Ryzen 9 7945HX3D is 2.30 GHz (5.40 GHz) while the AMD Ryzen Threadripper 3990X has 64 CPU cores and 128 threads can calculate simultaneously. The clock frequency of the AMD Ryzen Threadripper 3990X is at 2.90 GHz (4.30 GHz). |
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AMD Ryzen 9 7945HX3D | Characteristic | AMD Ryzen Threadripper 3990X |
16 | Cores | 64 |
32 | Threads | 128 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | Yes |
2.30 GHz | Frequency | 2.90 GHz |
5.40 GHz | Turbo Frequency (1 Core) | 4.30 GHz |
-- | Turbo Frequency (All Cores) | 3.20 GHz |
Internal GraphicsThe AMD Ryzen 9 7945HX3D or AMD Ryzen Threadripper 3990X 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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AMD Radeon 610M | GPU | no iGPU |
0.40 GHz | GPU frequency | -- |
2.20 GHz | GPU (Turbo) | -- |
9 | GPU Generation | -- |
6 nm | Technology | |
3 | Max. displays | |
2 | Compute units | -- |
128 | Shader | -- |
Yes | Hardware Raytracing | No |
No | Frame Generation | No |
8 GB | 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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AMD Radeon 610M | 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 | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeThe AMD Ryzen 9 7945HX3D can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 83.2 GB/s. The AMD Ryzen Threadripper 3990X supports up to 2048 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 51.2 GB/s. |
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AMD Ryzen 9 7945HX3D | Characteristic | AMD Ryzen Threadripper 3990X |
DDR5-5200 | Memory | DDR4-3200 |
64 GB | Max. Memory | 2048 GB |
2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
83.2 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | Yes |
16.00 MB | L2 Cache | 32.00 MB |
128.00 MB | L3 Cache | 256.00 MB |
5.0 | PCIe version | 4.0 |
28 | PCIe lanes | 64 |
110.3 GB/s | PCIe Bandwidth | 126.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Ryzen 9 7945HX3D is 55 W, while the AMD Ryzen Threadripper 3990X has a TDP of 280 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD Ryzen 9 7945HX3D | Characteristic | AMD Ryzen Threadripper 3990X |
55 W | TDP (PL1 / PBP) | 280 W |
-- | TDP (PL2) | -- |
75 W | TDP up | -- |
-- | TDP down | -- |
89 °C | Tjunction max. | 95 °C |
Technical detailsThe AMD Ryzen 9 7945HX3D is manufactured in 5 nm and has 144.00 MB cache. The AMD Ryzen Threadripper 3990X is manufactured in 7 nm and has a 288.00 MB cache. |
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AMD Ryzen 9 7945HX3D | Characteristic | AMD Ryzen Threadripper 3990X |
5 nm | Technology | 7 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
FL1 | Socket | TRX4 (sTRX4) |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q3/2023 | Release date | Q1/2020 |
-- | Release price | 3990 $ |
show more data | show more data | |
AMD Ryzen 9 7945HX3D
16C 32T @ 5.40 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz |
AMD Ryzen 9 7945HX3D
16C 32T @ 2.30 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
AMD Ryzen 9 7945HX3D
16C 32T @ 5.40 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz |
AMD Ryzen 9 7945HX3D
16C 32T @ 2.30 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
AMD Ryzen 9 7945HX3D
16C 32T @ 5.40 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz |
AMD Ryzen 9 7945HX3D
16C 32T @ 2.30 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
AMD Ryzen 9 7945HX3D
16C 32T @ 5.40 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz |
AMD Ryzen 9 7945HX3D
16C 32T @ 2.30 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
AMD Ryzen 9 7945HX3D
16C 32T @ 5.40 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz |
AMD Ryzen 9 7945HX3D
16C 32T @ 2.30 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
AMD Ryzen 9 7945HX3D
16C 32T @ 5.40 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz |
AMD Ryzen 9 7945HX3D
16C 32T @ 5.40 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz |
AMD Ryzen 9 7945HX3D
AMD Radeon 610M @ 2.20 GHz |
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AMD Ryzen Threadripper 3990X
@ 0.00 GHz |
AMD Ryzen 9 7945HX3D
16C 32T @ 2.30 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
AMD Ryzen 9 7945HX3D
16C 32T @ 2.30 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
AMD Ryzen 9 7945HX3D
16C 32T @ 2.30 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
AMD Ryzen 9 7945HX3D
16C 32T @ 2.30 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 2.90 GHz |
AMD Ryzen 9 7945HX3D
33,450 CB R23 MC @ 104 W |
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AMD Ryzen Threadripper 3990X
2.90 GHz |
Devices using this processor |
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AMD Ryzen 9 7945HX3D | AMD Ryzen Threadripper 3990X |
ASUS ROG Strix SCAR 17 X3D | Unknown |