AMD Radeon Instinct MI325X vs NVIDIA GeForce RTX 4090
GPU · Specs Compare
Graphics Card
Release Date
Oct 2024
Sep 2022
Generation
Radeon Instinct
GeForce 40
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1000 MHz
2235 MHz
Boost Clock
2100 MHz
2520 MHz
Memory Clock
1500 MHz
1313 MHz
Memory
Memory Size
256GB
24GB
Memory Type
HBM3e
GDDR6X
Memory Bus
8192bit
384bit
Bandwidth
6.14TB/s
1.01TB/s
Render Config
Compute Units
304
—
Shading Units
19456
16384
TMUs
1216
512
ROPs
0
176
Tensor Cores
1216
512
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
16 MB
72 MB
L3 Cache
256 MB
—
SM Count
—
128
RT Cores
—
128
Theoretical Performance
Pixel Rate
0 MPixel/s
443.5 GPixel/s
Texture Rate
2553.6 GTexel/s
1290.2 GTexel/s
FP16 (half)
81.72 TFLOPS
82.58 TFLOPS
FP32 (float)
81.72 TFLOPS
82.58 TFLOPS
FP64 (double)
40.86 TFLOPS
1290.2 GFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
AD102
Architecture
CDNA 3.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
153 billion
76.3 billion
Die Size
1017 mm²
609 mm²
GPU Variant
—
AD102-300-A1
Board Design
TDP
1000W
450W
Suggested PSU
1400 W
850 W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
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
Shader Model
N/A
6.8
CUDA
—
8.9
▲ Specs Compare
Data sourced from official specifications and benchmark tests.