NVIDIA CMP 40HX vs AMD Radeon Instinct MI355X
We compared two Desktop platform GPUs: 8GB VRAM CMP 40HX and 288GB VRAM Radeon Instinct MI355X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA CMP 40HX 's Advantages
Lower TDP (185W vs 1400W)
AMD Radeon Instinct MI355X 's Advantages
Released 3 years and 11 months late
Boost Clock has increased by 27% (2100MHz vs 1650MHz)
More VRAM (288GB vs 8GB)
Larger VRAM bandwidth (8.19TB/s vs 448.0GB/s)
17152 additional rendering cores
Score
Benchmark
FP32 (float)
CMP 40HX
7.603 TFLOPS
Radeon Instinct MI355X
+974%
81.72 TFLOPS
Graphics Card
Feb 2021
Release Date
Jan 2025
Mining GPUs
Generation
Radeon Instinct
Desktop
Type
Desktop
PCIe 1.0 x4
Bus Interface
PCIe 5.0 x16
Clock Speeds
1470 MHz
Base Clock
1000 MHz
1650 MHz
Boost Clock
2100 MHz
1750 MHz
Memory Clock
2000 MHz
Memory
8GB
Memory Size
288GB
GDDR6
Memory Type
HBM3e
256bit
Memory Bus
8192bit
448.0GB/s
Bandwidth
8.19TB/s
Render Config
-
Compute Units
304
36
SM Count
-
2304
Shading Units
19456
144
TMUs
1216
64
ROPs
0
288
Tensor Cores
1216
36
RT Cores
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
16 MB
-
L3 Cache
256 MB
Theoretical Performance
105.6 GPixel/s
Pixel Rate
0 MPixel/s
237.6 GTexel/s
Texture Rate
2553.6 GTexel/s
15.21 TFLOPS
FP16 (half)
653.7 TFLOPS
7.603 TFLOPS
FP32 (float)
81.72 TFLOPS
237.6 GFLOPS
FP64 (double)
81.72 TFLOPS
Board Design
185W
TDP
1400W
450 W
Suggested PSU
1800 W
No outputs
Outputs
No outputs
1x 8-pin
Power Connectors
None
Graphics Processor
TU106
GPU Name
Aqua Vanjaram X
TU106-100-A1
GPU Variant
-
Turing
Architecture
CDNA 4.0
TSMC
Foundry
TSMC
12 nm
Process Size
3 nm
10.8 billion
Transistors
153 billion
445 mm²
Die Size
1017 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
N/A
4.6
OpenGL
N/A
3.0
OpenCL
3.0
1.3
Vulkan
N/A
7.5
CUDA
-
6.8
Shader Model
N/A
