AMD Radeon R9 390 vs NVIDIA GeForce RTX 2080 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Jun 2015
Jan 2019
Generation
Pirate Islands
GeForce 20 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1500 MHz
1750 MHz
Base Clock
—
1380 MHz
Boost Clock
—
1590 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
512bit
256bit
Bandwidth
384.0GB/s
448.0GB/s
Render Config
Compute Units
40
—
Shading Units
2560
2944
TMUs
160
184
ROPs
64
64
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
1024 KB
4 MB
SM Count
—
46
Tensor Cores
—
368
RT Cores
—
46
Theoretical Performance
Pixel Rate
64.00 GPixel/s
101.8 GPixel/s
Texture Rate
160.0 GTexel/s
292.6 GTexel/s
FP32 (float)
5.120 TFLOPS
9.362 TFLOPS
FP64 (double)
640.0 GFLOPS
292.6 GFLOPS
FP16 (half)
—
18.72 TFLOPS
Graphics Processor
GPU Name
Grenada
TU104
GPU Variant
Grenada PRO(215-0880030)
N18E-G3-A1
Architecture
GCN 2.0
Turing
Foundry
TSMC
TSMC
Process Size
28 nm
12 nm
Transistors
6.2 billion
13.6 billion
Die Size
438 mm²
545 mm²
Board Design
TDP
275W
150W
Suggested PSU
600 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
—
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.6
CUDA
—
7.5
Benchmark
3DMark Time Spy
3,964
—
3DMark Time Spy Extreme
1,931
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.