AMD Radeon R9 285X vs AMD Radeon RX Vega M GH
GPU Specs Compare
Graphics Card
Release Date
Unknown
Feb 2018
Generation
Volcanic Islands
Vega
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
IGP
Clock Speeds
Memory Clock
1375 MHz
800 MHz
Base Clock
-
1063 MHz
Boost Clock
-
1190 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
HBM2
Memory Bus
384bit
1024bit
Bandwidth
264.0GB/s
204.8GB/s
Render Config
Compute Units
32
24
Shading Units
2048
1536
TMUs
128
96
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
1024 KB
Theoretical Performance
Pixel Rate
32.06 GPixel/s
76.16 GPixel/s
Texture Rate
128.3 GTexel/s
114.2 GTexel/s
FP32 (float)
4.104 TFLOPS
3.656 TFLOPS
FP16 (half)
-
3.656 TFLOPS
FP64 (double)
-
228.5 GFLOPS
Graphics Processor
GPU Name
Tonga
Polaris 22
GPU Variant
Tonga XT(215-0851313)
VegaM XT(C7398773)
Architecture
GCN 3.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
5 billion
5 billion
Die Size
366 mm²
208 mm²
Board Design
TDP
200W
100W
Suggested PSU
550 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 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2
Shader Model
6.3
6.4