AMD Radeon RX 7900M vs NVIDIA H800 PCIe 80 GB
GPU Specs Compare
Graphics Card
Release Date
Oct 2023
Mar 2023
Generation
Navi Mobile
Tesla Hopper
Type
Mobile
AI GPU
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1825 MHz
1095 MHz
Boost Clock
2090 MHz
1755 MHz
Memory Clock
2250 MHz
1593 MHz
Memory
Memory Size
16GB
80GB
Memory Type
GDDR6
HBM2e
Memory Bus
256bit
5120bit
Bandwidth
576.0GB/s
2039GB/s
Render Config
Compute Units
72
-
Shading Units
4608
14592
TMUs
288
456
ROPs
192
24
RT Cores
72
-
L1 Cache
256 KB per Array
256 KB (per SM)
L2 Cache
6 MB
50 MB
L3 Cache
64 MB
-
SM Count
-
114
Tensor Cores
-
456
Theoretical Performance
Pixel Rate
401.3 GPixel/s
42.12 GPixel/s
Texture Rate
601.9 GTexel/s
800.3 GTexel/s
FP16 (half)
77.05 TFLOPS
204.9 TFLOPS
FP32 (float)
38.52 TFLOPS
51.22 TFLOPS
FP64 (double)
1204 GFLOPS
25.61 TFLOPS
Graphics Processor
GPU Name
Navi 31
GH100
GPU Variant
Navi 31
-
Architecture
RDNA 3.0
Hopper
Foundry
TSMC
TSMC
Process Size
5 nm
4 nm
Transistors
57.7 billion
80 billion
Die Size
529 mm²
814 mm²
Board Design
TDP
180W
350W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
1x 16-pin
Suggested PSU
-
750 W
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.2
3.0
Vulkan
1.3
N/A
Shader Model
6.8
N/A
CUDA
-
9.0
📊 Benchmark
3DMark Time Spy
18,218
-
3DMark Time Spy Extreme
8,440
-
3DMark Speed Way
3,943
-
Blender
2,583
-