AMD Radeon R9 390 X2 vs AMD Radeon RX Vega Nano
GPU Specs Compare
Graphics Card
Release Date
Sep 2015
Unknown
Generation
Pirate Islands
Vega
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1350 MHz
800 MHz
Base Clock
-
1247 MHz
Boost Clock
-
1546 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR5
HBM2
Memory Bus
512bit
2048bit
Bandwidth
345.6GB/s
409.6GB/s
Render Config
Compute Units
40
64
Shading Units
2560
4096
TMUs
160
256
ROPs
64
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
4 MB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
98.94 GPixel/s
Texture Rate
160.0 GTexel/s
395.8 GTexel/s
FP32 (float)
5.120 TFLOPS
12.66 TFLOPS
FP64 (double)
640.0 GFLOPS
791.6 GFLOPS
Graphics Processor
GPU Name
Grenada
Vega 10
GPU Variant
Grenada PRO(215-0880030)
Vega 10 XT(215-0894200)
Architecture
GCN 2.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
6.2 billion
12.5 billion
Die Size
438 mm²
495 mm²
Board Design
TDP
580W
175W
Suggested PSU
950 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
4x 8-pin
1x 8-pin
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2
Shader Model
6.3
6.4