NVIDIA GeForce RTX 3080 12 GB vs AMD Radeon R9 M485X
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
May 2016
Generation
GeForce 30
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
1260 MHz
—
Boost Clock
1710 MHz
—
Memory Clock
1188 MHz
1250 MHz
Memory
Memory Size
12GB
8GB
Memory Type
GDDR6X
GDDR5
Memory Bus
384bit
256bit
Bandwidth
912.4GB/s
160.0GB/s
Render Config
SM Count
70
—
Shading Units
8960
2048
TMUs
280
128
ROPs
96
32
Tensor Cores
280
—
RT Cores
70
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
6 MB
512 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
164.2 GPixel/s
23.14 GPixel/s
Texture Rate
478.8 GTexel/s
92.54 GTexel/s
FP16 (half)
30.64 TFLOPS
2.961 TFLOPS
FP32 (float)
30.64 TFLOPS
2.961 TFLOPS
FP64 (double)
478.8 GFLOPS
185.1 GFLOPS
Graphics Processor
GPU Name
GA102
Amethyst
GPU Variant
GA102-220-A1
Amethyst XT
Architecture
Ampere
GCN 3.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
28.3 billion
5 billion
Die Size
628 mm²
366 mm²
Board Design
TDP
350W
250W
Suggested PSU
750 W
—
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 12-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
8.6
—
Shader Model
6.8
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.