AMD Radeon R7 260 vs AMD Radeon R9 285
GPU · Specs Compare
Graphics Card
Release Date
Dec 2013
Sep 2014
Generation
Volcanic Islands
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1500 MHz
1375 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
96.00GB/s
176.0GB/s
Render Config
Compute Units
12
28
Shading Units
768
1792
TMUs
48
112
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
512 KB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
29.38 GPixel/s
Texture Rate
48.00 GTexel/s
102.8 GTexel/s
FP32 (float)
1.536 TFLOPS
3.290 TFLOPS
FP64 (double)
96.00 GFLOPS
205.6 GFLOPS
FP16 (half)
—
3.290 TFLOPS
Graphics Processor
GPU Name
Bonaire
Tonga
GPU Variant
Bonaire PRO
Tonga PRO(215-0851128)
Architecture
GCN 2.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.08 billion
5 billion
Die Size
160 mm²
366 mm²
Board Design
TDP
95W
190W
Suggested PSU
250 W
450 W
Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin
2x 6-pin
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2.170
Shader Model
6.3
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.