NVIDIA GeForce RTX 2080 SUPER Max Q vs AMD Radeon R9 390
GPU · Specs Compare
Graphics Card
Release Date
Apr 2020
Jun 2015
Generation
GeForce 20 Mobile
Pirate Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
735 MHz
—
Boost Clock
975 MHz
—
Memory Clock
1375 MHz
1500 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
512bit
Bandwidth
352.0GB/s
384.0GB/s
Render Config
SM Count
48
—
Shading Units
3072
2560
TMUs
192
160
ROPs
64
64
Tensor Cores
384
—
RT Cores
48
—
L1 Cache
64 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
1024 KB
Compute Units
—
40
Theoretical Performance
Pixel Rate
62.40 GPixel/s
64.00 GPixel/s
Texture Rate
187.2 GTexel/s
160.0 GTexel/s
FP16 (half)
11.98 TFLOPS
—
FP32 (float)
5.990 TFLOPS
5.120 TFLOPS
FP64 (double)
187.2 GFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
TU104
Grenada
GPU Variant
N18E-G3R
Grenada PRO(215-0880030)
Architecture
Turing
GCN 2.0
Foundry
TSMC
TSMC
Process Size
12 nm
28 nm
Transistors
13.6 billion
6.2 billion
Die Size
545 mm²
438 mm²
Board Design
TDP
80W
275W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
—
600 W
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
Benchmark
3DMark Time Spy
—
3,964
3DMark Time Spy Extreme
—
1,931
▲ Specs Compare
Data sourced from official specifications and benchmark tests.