AMD Radeon R9 285 vs AMD Radeon RX Vega 64 Limited Edition
GPU Specs Compare
Graphics Card
Release Date
Sep 2014
Aug 2017
Generation
Volcanic Islands
Vega
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1375 MHz
945 MHz
Base Clock
-
1247 MHz
Boost Clock
-
1546 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
HBM2
Memory Bus
256bit
2048bit
Bandwidth
176.0GB/s
483.8GB/s
Render Config
Compute Units
28
64
Shading Units
1792
4096
TMUs
112
256
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
4 MB
Theoretical Performance
Pixel Rate
29.38 GPixel/s
98.94 GPixel/s
Texture Rate
102.8 GTexel/s
395.8 GTexel/s
FP16 (half)
3.290 TFLOPS
25.33 TFLOPS
FP32 (float)
3.290 TFLOPS
12.66 TFLOPS
FP64 (double)
205.6 GFLOPS
791.6 GFLOPS
Graphics Processor
GPU Name
Tonga
Vega 10
GPU Variant
Tonga PRO(215-0851128)
Vega 10 XT(215-0894200)
Architecture
GCN 3.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
5 billion
12.5 billion
Die Size
366 mm²
495 mm²
Board Design
TDP
190W
295W
Suggested PSU
450 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
2x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2.170
1.2
Shader Model
6.5
6.4