AMD Radeon HD 6850 X2 vs AMD Radeon Pro 570X
GPU Specs Compare
Graphics Card
Release Date
Sep 2011
Mar 2019
Generation
Northern Islands
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1050 MHz
1695 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1105 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
134.4GB/s
217.0GB/s
Render Config
Compute Units
12
28
Shading Units
960
1792
TMUs
48
112
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
25.60 GPixel/s
35.36 GPixel/s
Texture Rate
38.40 GTexel/s
123.8 GTexel/s
FP32 (float)
1.536 TFLOPS
3.960 TFLOPS
FP16 (half)
-
3.960 TFLOPS
FP64 (double)
-
247.5 GFLOPS
Graphics Processor
GPU Name
Barts
Ellesmere
GPU Variant
Barts PRO(215-0798006)
Ellesmere PROA
Architecture
TeraScale 2
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
40 nm
14 nm
Transistors
1.7 billion
5.7 billion
Die Size
255 mm²
232 mm²
Board Design
TDP
254W
150W
Suggested PSU
600 W
-
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Portable Device Dependent
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
11.2 (11_0)
12 (12_0)
OpenGL
4.4
4.6
OpenCL
1.2
2.1
Vulkan
N/A
1.3
Shader Model
5.0
6.7