NVIDIA H100 CNX vs NVIDIA RTX PRO 4500 Blackwell Server
GPU Specs Compare
Graphics Card
Release Date
Mar 2023
Mar 2026
Generation
Tesla Hopper
Server Blackwell
Type
AI GPU
Professional
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
690 MHz
1215 MHz
Boost Clock
1845 MHz
2415 MHz
Memory Clock
1593 MHz
1563 MHz
Memory
Memory Size
80GB
32GB
Memory Type
HBM2e
GDDR7
Memory Bus
5120bit
256bit
Bandwidth
2039GB/s
800.3GB/s
Render Config
SM Count
114
82
Shading Units
14592
10496
TMUs
456
328
ROPs
24
112
Tensor Cores
456
328
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
64 MB
RT Cores
-
82
Theoretical Performance
Pixel Rate
44.28 GPixel/s
270.5 GPixel/s
Texture Rate
841.3 GTexel/s
792.1 GTexel/s
FP16 (half)
215.4 TFLOPS
50.70 TFLOPS
FP32 (float)
53.84 TFLOPS
50.70 TFLOPS
FP64 (double)
26.92 TFLOPS
792.1 GFLOPS
Graphics Processor
GPU Name
GH100
GB203
Architecture
Hopper
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
5 nm
Transistors
80 billion
45.6 billion
Die Size
814 mm²
378 mm²
Board Design
TDP
350W
165W
Suggested PSU
750 W
450 W
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
1x 16-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.4
CUDA
9.0
12.0
Shader Model
N/A
6.9