AMD Radeon HD 6870 1600SP Edition vs AMD P30PH
GPU · Specs Compare
Graphics Card
Release Date
Jan 2013
Unknown
Generation
Northern Islands
Mining GPUs
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1050 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
134.4GB/s
268.8GB/s
Render Config
Compute Units
20
32
Shading Units
1600
2048
TMUs
80
128
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
38.59 GPixel/s
Texture Rate
68.00 GTexel/s
154.4 GTexel/s
FP32 (float)
2.720 TFLOPS
4.940 TFLOPS
FP64 (double)
544.0 GFLOPS
308.7 GFLOPS
FP16 (half)
—
4.940 TFLOPS
Graphics Processor
GPU Name
Cypress
Polaris 20
GPU Variant
Cypress XT(215-0735033)
—
Architecture
TeraScale 2
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
40 nm
14 nm
Transistors
2.154 billion
5.7 billion
Die Size
334 mm²
232 mm²
Board Design
TDP
175W
180W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
1x HDMI 2.0b
Power Connectors
2x 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.