AMD Radeon HD 6850 vs AMD P30PH
GPU · Specs Compare
Graphics Card
Release Date
Oct 2010
Unknown
Generation
Northern Islands
Mining GPUs
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1000 MHz
2100 MHz
Base Clock
—
1120 MHz
Boost Clock
—
1206 MHz
Memory
Memory Size
1024MB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
128.0GB/s
268.8GB/s
Render Config
Compute Units
12
32
Shading Units
960
2048
TMUs
48
128
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
24.80 GPixel/s
38.59 GPixel/s
Texture Rate
37.20 GTexel/s
154.4 GTexel/s
FP32 (float)
1488 GFLOPS
4.940 TFLOPS
FP16 (half)
—
4.940 TFLOPS
FP64 (double)
—
308.7 GFLOPS
Graphics Processor
GPU Name
Barts
Polaris 20
GPU Variant
Barts PRO(215-0798006)
—
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
127W
180W
Suggested PSU
300 W
450 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
1x HDMI 2.0b
Power Connectors
1x 6-pin
2x 8-pin
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.