H200 SXM vs AMD Radeon RX 6800 3456SP
GPU Specs Compare
Graphics Card
Release Date
Nov 2023
Unknown
Generation
Hopper
Navi II
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1590 MHz
1700 MHz
Boost Clock
1980 MHz
2250 MHz
Memory Clock
1313 MHz
2000 MHz
Memory
Memory Size
141GB
16GB
Memory Type
HBM3e
GDDR6
Memory Bus
5120bit
256bit
Bandwidth
4800GB/s
512.0GB/s
Render Config
SM Count
132
-
Shading Units
16896
3456
TMUs
528
216
ROPs
24
96
Tensor Cores
528
-
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
50 MB
4 MB
Compute Units
-
54
RT Cores
-
54
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
47.52 GPixel/s
216.0 GPixel/s
Texture Rate
1045 GTexel/s
486.0 GTexel/s
FP16 (half)
1979 TFLOPS
31.10 TFLOPS
FP32 (float)
67 TFLOPS
15.55 TFLOPS
FP64 (double)
34 TFLOPS
972.0 GFLOPS
Graphics Processor
GPU Name
GH200
Navi 21
Architecture
Hopper
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
7 nm
Transistors
80 billion
26.8 billion
Die Size
814 mm²
520 mm²
GPU Variant
-
Navi 21 ES(215-121000066)
Board Design
TDP
700W
250W
Suggested PSU
1100 W
600 W
Outputs
No outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
8-pin EPS
2x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.3
CUDA
9.0
-
Shader Model
N/A
6.8