NVIDIA GeForce RTX 3080 12 GB vs AMD Instinct MI300A
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Dec 2023
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
1300 MHz
Memory
Memory Size
12GB
128GB
Memory Type
GDDR6X
HBM3
Memory Bus
384bit
8192bit
Bandwidth
912.4GB/s
5.32TB/s
Render Config
SM Count
70
-
Shading Units
8960
14592
TMUs
280
912
ROPs
96
0
Tensor Cores
280
-
RT Cores
70
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
6 MB
16 MB
Compute Units
-
228
L3 Cache
-
256 MB
Theoretical Performance
Pixel Rate
164.2 GPixel/s
0 MPixel/s
Texture Rate
478.8 GTexel/s
1915.2 GTexel/s
FP16 (half)
30.64 TFLOPS
653.7 TFLOPS
FP32 (float)
30.64 TFLOPS
61.29 TFLOPS
FP64 (double)
478.8 GFLOPS
30.64 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
750W
Suggested PSU
750 W
1150 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