AMD Radeon Instinct MI325X vs NVIDIA RTX PRO 4500 Blackwell
We compared two Desktop platform GPUs: 288GB VRAM Radeon Instinct MI325X and 32GB VRAM RTX PRO 4500 Blackwell to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Instinct MI325X 's Advantages
More VRAM (288GB vs 32GB)
Larger VRAM bandwidth (10.3TB/s vs 896.0GB/s)
8960 additional rendering cores
NVIDIA RTX PRO 4500 Blackwell 's Advantages
Boost Clock has increased by 25% (2617MHz vs 2100MHz)
Lower TDP (200W vs 1000W)
Score
Benchmark
FP32 (float)
Radeon Instinct MI325X
+48%
81.72 TFLOPS
RTX PRO 4500 Blackwell
54.94 TFLOPS
Graphics Card
Oct 2024
Release Date
Mar 2025
Radeon Instinct
Generation
Blackwell PRO W
Desktop
Type
Desktop
PCIe 5.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
1000 MHz
Base Clock
1590 MHz
2100 MHz
Boost Clock
2617 MHz
2525 MHz
Memory Clock
1750 MHz
Memory
288GB
Memory Size
32GB
HBM3e
Memory Type
GDDR7
8192bit
Memory Bus
256bit
10.3TB/s
Bandwidth
896.0GB/s
Render Config
304
Compute Units
-
-
SM Count
82
19456
Shading Units
10496
1216
TMUs
328
0
ROPs
112
1216
Tensor Cores
328
-
RT Cores
82
16 KB (per CU)
L1 Cache
128 KB (per SM)
16 MB
L2 Cache
64 MB
256 MB
L3 Cache
-
Theoretical Performance
0 MPixel/s
Pixel Rate
293.1 GPixel/s
2553.6 GTexel/s
Texture Rate
858.4 GTexel/s
653.7 TFLOPS
FP16 (half)
54.94 TFLOPS
81.72 TFLOPS
FP32 (float)
54.94 TFLOPS
81.72 TFLOPS
FP64 (double)
858.4 GFLOPS
Board Design
1000W
TDP
200W
1400 W
Suggested PSU
550 W
No outputs
Outputs
4x DisplayPort 2.1b
None
Power Connectors
1x 16-pin
Graphics Processor
Aqua Vanjaram
GPU Name
GB203
-
-
-
CDNA 3.0
Architecture
Blackwell 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
5 nm
153 billion
Transistors
45.6 billion
1017 mm²
Die Size
378 mm²
Graphics Features
N/A
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
3.0
OpenCL
3.0
N/A
Vulkan
1.4
-
CUDA
10.1
N/A
Shader Model
6.8
