NVIDIA GeForce RTX 2080 Max Q vs AMD Radeon R9 390 X2
GPU · Specs Compare
Graphics Card
Release Date
Jan 2019
Sep 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
1095 MHz
—
Memory Clock
1500 MHz
1350 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
512bit
Bandwidth
384.0GB/s
345.6GB/s
Render Config
SM Count
46
—
Shading Units
2944
2560
TMUs
184
160
ROPs
64
64
Tensor Cores
368
—
RT Cores
46
—
L1 Cache
64 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
1024 KB
Compute Units
—
40
Theoretical Performance
Pixel Rate
70.08 GPixel/s
64.00 GPixel/s
Texture Rate
201.5 GTexel/s
160.0 GTexel/s
FP16 (half)
12.89 TFLOPS
—
FP32 (float)
6.447 TFLOPS
5.120 TFLOPS
FP64 (double)
201.5 GFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
TU104
Grenada
GPU Variant
N18E-G3-A1
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
580W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
4x 8-pin
Suggested PSU
—
950 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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.