AMD Radeon RX 580 vs AMD Radeon R7 260
GPU Specs Compare
Graphics Card
Release Date
Apr 2017
Dec 2013
Generation
Polaris
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1257 MHz
-
Boost Clock
1340 MHz
-
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
256.0GB/s
96.00GB/s
Render Config
Compute Units
36
12
Shading Units
2304
768
TMUs
144
48
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
256 KB
Theoretical Performance
Pixel Rate
42.88 GPixel/s
16.00 GPixel/s
Texture Rate
193.0 GTexel/s
48.00 GTexel/s
FP16 (half)
6.175 TFLOPS
-
FP32 (float)
6.175 TFLOPS
1.536 TFLOPS
FP64 (double)
385.9 GFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Bonaire
GPU Variant
Polaris 20 XTX(215-0910038)
Bonaire PRO
Architecture
GCN 4.0
GCN 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
2.08 billion
Die Size
232 mm²
160 mm²
Board Design
TDP
185W
95W
Suggested PSU
450 W
250 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 8-pin
1x 6-pin
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.3
1.2
Shader Model
6.7
6.3