AMD Radeon R7 260 vs AMD Radeon HD 6850
GPU Specs Compare
Graphics Card
Release Date
Dec 2013
Oct 2010
Generation
Volcanic Islands
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1500 MHz
1000 MHz
Memory
Memory Size
2GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
96.00GB/s
128.0GB/s
Render Config
Compute Units
12
12
Shading Units
768
960
TMUs
48
48
ROPs
16
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
256 KB
512 KB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
24.80 GPixel/s
Texture Rate
48.00 GTexel/s
37.20 GTexel/s
FP32 (float)
1.536 TFLOPS
1488 GFLOPS
FP64 (double)
96.00 GFLOPS
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Graphics Processor
GPU Name
Bonaire
Barts
GPU Variant
Bonaire PRO
Barts PRO(215-0798006)
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
95W
127W
Suggested PSU
250 W
300 W
Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
1x 6-pin
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