NVIDIA H100 PCIe vs AMD Radeon RX 6650 XT
GPU Specs Compare
Graphics Card
Release Date
Mar 2022
May 2022
Generation
Tesla Hopper
Navi II
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1095 MHz
2055 MHz
Boost Clock
1755 MHz
2635 MHz
Memory Clock
1593 MHz
2190 MHz
Memory
Memory Size
80GB
8GB
Memory Type
HBM2e
GDDR6
Memory Bus
5120bit
128bit
Bandwidth
2039GB/s
280.3GB/s
Render Config
SM Count
114
-
Shading Units
14592
2048
TMUs
456
128
ROPs
24
64
Tensor Cores
456
-
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
50 MB
2 MB
Compute Units
-
32
RT Cores
-
32
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
42.12 GPixel/s
168.6 GPixel/s
Texture Rate
800.3 GTexel/s
337.3 GTexel/s
FP16 (half)
204.9 TFLOPS
21.59 TFLOPS
FP32 (float)
51.22 TFLOPS
10.79 TFLOPS
FP64 (double)
25.61 TFLOPS
674.6 GFLOPS
Graphics Processor
GPU Name
GH100
Navi 23
Architecture
Hopper
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
7 nm
Transistors
80 billion
11.06 billion
Die Size
814 mm²
237 mm²
GPU Variant
-
Navi 23 KXT(215-130000136)
Board Design
TDP
350W
176W
Suggested PSU
750 W
450 W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
1x 16-pin
1x 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
6.5