NVIDIA H800 PCIe 80 GB vs AMD Radeon AI PRO R9700
GPU Specs Compare
Graphics Card
Release Date
Mar 2023
Jul 2025
Generation
Tesla Hopper
Radeon Pro Navi
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1095 MHz
1660 MHz
Boost Clock
1755 MHz
2920 MHz
Memory Clock
1593 MHz
2518 MHz
Memory
Memory Size
80GB
32GB
Memory Type
HBM2e
GDDR6
Memory Bus
5120bit
256bit
Bandwidth
2039GB/s
644.6GB/s
Render Config
SM Count
114
-
Shading Units
14592
4096
TMUs
456
256
ROPs
24
128
Tensor Cores
456
128
L1 Cache
256 KB (per SM)
-
L2 Cache
50 MB
8 MB
Compute Units
-
64
RT Cores
-
64
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
42.12 GPixel/s
373.8 GPixel/s
Texture Rate
800.3 GTexel/s
747.5 GTexel/s
FP16 (half)
204.9 TFLOPS
95.68 TFLOPS
FP32 (float)
51.22 TFLOPS
47.84 TFLOPS
FP64 (double)
25.61 TFLOPS
1495.0 GFLOPS
Graphics Processor
GPU Name
GH100
Navi 48
Architecture
Hopper
RDNA 4.0
Foundry
TSMC
TSMC
Process Size
4 nm
4 nm
Transistors
80 billion
53.9 billion
Die Size
814 mm²
357 mm²
GPU Variant
-
Navi 48 XTW
Board Design
TDP
350W
300W
Suggested PSU
750 W
700 W
Outputs
No outputs
1x HDMI 2.1b3x DisplayPort 2.1a
Power Connectors
1x 16-pin
1x 16-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.2
Vulkan
N/A
1.4
CUDA
9.0
-
Shader Model
N/A
6.8