AMD Radeon R9 260 OEM vs AMD Radeon HD 6870 X2
GPU · Specs Compare
Graphics Card
Release Date
Dec 2013
Jul 2011
Generation
Volcanic Islands
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1625 MHz
1050 MHz
Memory
Memory Size
1024MB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
104.0GB/s
134.4GB/s
Render Config
Compute Units
14
14
Shading Units
896
1120
TMUs
56
56
ROPs
16
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
256 KB
512 KB
Theoretical Performance
Pixel Rate
17.60 GPixel/s
28.80 GPixel/s
Texture Rate
61.60 GTexel/s
50.40 GTexel/s
FP32 (float)
1.971 TFLOPS
2.016 TFLOPS
FP64 (double)
123.2 GFLOPS
—
Graphics Processor
GPU Name
Bonaire
Barts
GPU Variant
Bonaire XT(215-0839039)
Barts XT(215-0798000)
Architecture
GCN 2.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
2.08 billion
1.7 billion
Die Size
160 mm²
255 mm²
Board Design
TDP
85W
300W
Suggested PSU
250 W
700 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
1x 6-pin
—
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.0
1.2
Vulkan
1.2
N/A
Shader Model
6.3
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.