NVIDIA GeForce RTX 3080 vs AMD Radeon R9 M385X
GPU · Specs Compare
Graphics Card
Release Date
Sep 2020
May 2015
Generation
GeForce 30
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1440 MHz
1000 MHz
Boost Clock
1710 MHz
1100 MHz
Memory Clock
1188 MHz
1200 MHz
Memory
Memory Size
10GB
4GB
Memory Type
GDDR6X
GDDR5
Memory Bus
320bit
128bit
Bandwidth
760.3GB/s
76.80GB/s
Render Config
SM Count
68
—
Shading Units
8704
896
TMUs
272
56
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
—
14
Theoretical Performance
Pixel Rate
164.2 GPixel/s
17.60 GPixel/s
Texture Rate
465.1 GTexel/s
61.60 GTexel/s
FP16 (half)
29.77 TFLOPS
—
FP32 (float)
29.77 TFLOPS
1.971 TFLOPS
FP64 (double)
465.1 GFLOPS
123.2 GFLOPS
Graphics Processor
GPU Name
GA102
Strato
GPU Variant
GA102-200-KD-A1
Strato XT
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
Unknown
Suggested PSU
700 W
—
Outputs
1x HDMI 2.13x DisplayPort 1.4a
Portable Device Dependent
Power Connectors
1x 12-pin
—
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.2.170
CUDA
8.6
—
Shader Model
6.6
6.5
Benchmark
3DMark Time Spy
17,662
—
3DMark Time Spy Extreme
8,879
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.