NVIDIA GeForce RTX 3080 12 GB vs AMD Radeon Instinct MI325X
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Oct 2024
Generation
GeForce 30
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1260 MHz
1000 MHz
Boost Clock
1710 MHz
2100 MHz
Memory Clock
1188 MHz
1500 MHz
Memory
Memory Size
12GB
256GB
Memory Type
GDDR6X
HBM3e
Memory Bus
384bit
8192bit
Bandwidth
912.4GB/s
6.14TB/s
Render Config
SM Count
70
—
Shading Units
8960
19456
TMUs
280
1216
ROPs
96
0
Tensor Cores
280
1216
RT Cores
70
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
6 MB
16 MB
Compute Units
—
304
L3 Cache
—
256 MB
Theoretical Performance
Pixel Rate
164.2 GPixel/s
0 MPixel/s
Texture Rate
478.8 GTexel/s
2553.6 GTexel/s
FP16 (half)
30.64 TFLOPS
81.72 TFLOPS
FP32 (float)
30.64 TFLOPS
81.72 TFLOPS
FP64 (double)
478.8 GFLOPS
40.86 TFLOPS
Graphics Processor
GPU Name
GA102
Aqua Vanjaram
GPU Variant
GA102-220-A1
—
Architecture
Ampere
CDNA 3.0
Foundry
Samsung
TSMC
Process Size
8 nm
5 nm
Transistors
28.3 billion
153 billion
Die Size
628 mm²
1017 mm²
Board Design
TDP
350W
1000W
Suggested PSU
750 W
1400 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 12-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
8.6
—
Shader Model
6.8
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.