AMD Radeon Instinct MI300A vs NVIDIA GeForce RTX 3080
GPU · Specs Compare
Graphics Card
Release Date
Dec 2023
Sep 2020
Generation
Radeon Instinct
GeForce 30
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1000 MHz
1440 MHz
Boost Clock
2100 MHz
1710 MHz
Memory Clock
2525 MHz
1188 MHz
Memory
Memory Size
192GB
10GB
Memory Type
HBM3
GDDR6X
Memory Bus
8192bit
320bit
Bandwidth
10.3TB/s
760.3GB/s
Render Config
Compute Units
304
—
Shading Units
19456
8704
TMUs
1216
272
ROPs
0
96
Tensor Cores
1216
272
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
16 MB
5 MB
L3 Cache
256 MB
—
SM Count
—
68
RT Cores
—
68
Theoretical Performance
Pixel Rate
0 MPixel/s
164.2 GPixel/s
Texture Rate
2554 GTexel/s
465.1 GTexel/s
FP16 (half)
653.7 TFLOPS
29.77 TFLOPS
FP32 (float)
81.72 TFLOPS
29.77 TFLOPS
FP64 (double)
81.72 TFLOPS
465.1 GFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
GA102
Architecture
CDNA 3.0
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
153 billion
28.3 billion
Die Size
1017 mm²
628 mm²
GPU Variant
—
GA102-200-KD-A1
Board Design
TDP
750W
320W
Suggested PSU
1150 W
700 W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 12-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
Shader Model
N/A
6.6
CUDA
—
8.6
Benchmark
3DMark Time Spy
—
17,662
3DMark Time Spy Extreme
—
8,879
▲ Specs Compare
Data sourced from official specifications and benchmark tests.