AMD Radeon HD 6850 X2 vs AMD Radeon R9 360 OEM
GPU Specs Compare
Graphics Card
Release Date
Sep 2011
May 2015
Generation
Northern Islands
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1050 MHz
1625 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1050 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
134.4GB/s
104.0GB/s
Render Config
Compute Units
12
12
Shading Units
960
768
TMUs
48
48
ROPs
32
16
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Theoretical Performance
Pixel Rate
25.60 GPixel/s
16.80 GPixel/s
Texture Rate
38.40 GTexel/s
50.40 GTexel/s
FP32 (float)
1.536 TFLOPS
1.613 TFLOPS
FP64 (double)
-
100.8 GFLOPS
Graphics Processor
GPU Name
Barts
Tobago
GPU Variant
Barts PRO(215-0798006)
Tobago PRO(215-0875010)
Architecture
TeraScale 2
GCN 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
1.7 billion
2.08 billion
Die Size
255 mm²
160 mm²
Board Design
TDP
254W
85W
Suggested PSU
600 W
250 W
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
2x 8-pin
1x 6-pin
Graphics Features
DirectX
11.2 (11_0)
12 (12_0)
OpenGL
4.4
4.6
OpenCL
1.2
2.0
Vulkan
N/A
1.2
Shader Model
5.0
6.3