NVIDIA GeForce RTX 3080 vs AMD Radeon RX 455 OEM
GPU · Specs Compare
Graphics Card
Release Date
Sep 2020
Jun 2016
Generation
GeForce 30
Arctic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1440 MHz
—
Boost Clock
1710 MHz
—
Memory Clock
1188 MHz
1625 MHz
Memory
Memory Size
10GB
2GB
Memory Type
GDDR6X
GDDR5
Memory Bus
320bit
128bit
Bandwidth
760.3GB/s
104.0GB/s
Render Config
SM Count
68
—
Shading Units
8704
768
TMUs
272
48
ROPs
96
16
Tensor Cores
272
—
RT Cores
68
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
5 MB
256 KB
Compute Units
—
12
Theoretical Performance
Pixel Rate
164.2 GPixel/s
16.80 GPixel/s
Texture Rate
465.1 GTexel/s
50.40 GTexel/s
FP16 (half)
29.77 TFLOPS
—
FP32 (float)
29.77 TFLOPS
1.613 TFLOPS
FP64 (double)
465.1 GFLOPS
100.8 GFLOPS
Graphics Processor
GPU Name
GA102
Tobago
GPU Variant
GA102-200-KD-A1
Tobago PRO(215-0875010)
Architecture
Ampere
GCN 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
28.3 billion
2.08 billion
Die Size
628 mm²
160 mm²
Board Design
TDP
320W
100W
Suggested PSU
700 W
300 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 12-pin
1x 6-pin
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
6.6
6.3
Benchmark
3DMark Time Spy
17,662
—
3DMark Time Spy Extreme
8,879
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.