GeForce RTX 4090 vs RTX PRO 4500 Blackwell
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 32GB VRAM RTX PRO 4500 Blackwell to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4090 's Advantages
Larger VRAM bandwidth (1.01TB/s vs 896.0GB/s)
5888 additional rendering cores
RTX PRO 4500 Blackwell 's Advantages
Released 2 years and 6 months late
Boost Clock has increased by 4% (2617MHz vs 2520MHz)
More VRAM (32GB vs 24GB)
Lower TDP (200W vs 450W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090
+50%
82580
RTX PRO 4500 Blackwell
54940
Graphics Card
Sep 2022
Release Date
Mar 2025
GeForce 40
Generation
Blackwell PRO W
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
2235 MHz
Base Clock
1590 MHz
2520 MHz
Boost Clock
2617 MHz
1313 MHz
Memory Clock
1750 MHz
Memory
24GB
Memory Size
32GB
GDDR6X
Memory Type
GDDR7
384bit
Memory Bus
256bit
1.01TB/s
Bandwidth
896.0GB/s
Render Config
128
SM Count
82
16384
Shading Units
10496
512
TMUs
328
176
ROPs
112
512
Tensor Cores
328
128
RT Cores
82
128 KB (per SM)
L1 Cache
128 KB (per SM)
72 MB
L2 Cache
64 MB
Theoretical Performance
443.5 GPixel/s
Pixel Rate
293.1 GPixel/s
1290 GTexel/s
Texture Rate
858.4 GTexel/s
82.58 TFLOPS
FP16 (half)
54.94 TFLOPS
82.58 TFLOPS
FP32 (float)
54.94 TFLOPS
1290 GFLOPS
FP64 (double)
858.4 GFLOPS
Board Design
450W
TDP
200W
850 W
Suggested PSU
550 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
4x DisplayPort 2.1b
1x 16-pin
Power Connectors
1x 16-pin
Graphics Processor
AD102
GPU Name
GB203
AD102-300-A1
GPU Variant
-
Ada Lovelace
Architecture
Blackwell 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
5 nm
76.3 billion
Transistors
45.6 billion
609 mm²
Die Size
378 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.4
8.9
CUDA
10.1
6.8
Shader Model
6.8
