NVIDIA GeForce RTX 3080 12 GB vs AMD Radeon 660M
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Jan 2022
Generation
GeForce 30
Rembrandt
Type
Desktop
Integrated
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1260 MHz
1500 MHz
Boost Clock
1710 MHz
1900 MHz
Memory Clock
1188 MHz
System Shared
Memory
Memory Size
12GB
System Shared
Memory Type
GDDR6X
System Shared
Memory Bus
384bit
System Shared
Bandwidth
912.4GB/s
System Dependent
Render Config
SM Count
70
—
Shading Units
8960
384
TMUs
280
24
ROPs
96
16
Tensor Cores
280
—
RT Cores
70
6
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
6 MB
2 MB
Compute Units
—
6
Theoretical Performance
Pixel Rate
164.2 GPixel/s
30.40 GPixel/s
Texture Rate
478.8 GTexel/s
45.60 GTexel/s
FP16 (half)
30.64 TFLOPS
2.918 TFLOPS
FP32 (float)
30.64 TFLOPS
1459 GFLOPS
FP64 (double)
478.8 GFLOPS
91.20 GFLOPS
Graphics Processor
GPU Name
GA102
Rembrandt
GPU Variant
GA102-220-A1
—
Architecture
Ampere
RDNA 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
6 nm
Transistors
28.3 billion
13.1 billion
Die Size
628 mm²
210 mm²
Board Design
TDP
350W
15W
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 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
8.6
—
Shader Model
6.8
6.5
Benchmark
3DMark Time Spy
—
1,537
3DMark Time Spy Extreme
—
701
▲ Specs Compare
Data sourced from official specifications and benchmark tests.