NVIDIA GeForce RTX 2080 SUPER Max Q vs AMD Radeon R9 M390X
GPU · Specs Compare
Graphics Card
Release Date
Apr 2020
May 2015
Generation
GeForce 20 Mobile
Crystal System
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
735 MHz
—
Boost Clock
975 MHz
—
Memory Clock
1375 MHz
1250 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
352.0GB/s
160.0GB/s
Render Config
SM Count
48
—
Shading Units
3072
2048
TMUs
192
128
ROPs
64
32
Tensor Cores
384
—
RT Cores
48
—
L1 Cache
64 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
512 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
62.40 GPixel/s
23.14 GPixel/s
Texture Rate
187.2 GTexel/s
92.54 GTexel/s
FP16 (half)
11.98 TFLOPS
2.961 TFLOPS
FP32 (float)
5.990 TFLOPS
2.961 TFLOPS
FP64 (double)
187.2 GFLOPS
185.1 GFLOPS
Graphics Processor
GPU Name
TU104
Amethyst
GPU Variant
N18E-G3R
Amethyst XT
Architecture
Turing
GCN 3.0
Foundry
TSMC
TSMC
Process Size
12 nm
28 nm
Transistors
13.6 billion
5 billion
Die Size
545 mm²
366 mm²
Board Design
TDP
80W
75W
Outputs
No outputs
No outputs
Power Connectors
None
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
7.5
—
Shader Model
6.6
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.