AMD Radeon HD 6870 1600SP Edition vs AMD FirePro W8000
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
Jun 2012
Generation
Northern Islands
FirePro
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1050 MHz
1375 MHz
Memory
Memory Size
1024MB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
134.4GB/s
176.0GB/s
Render Config
Compute Units
20
28
Shading Units
1600
1792
TMUs
80
112
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
28.80 GPixel/s
Texture Rate
68.00 GTexel/s
100.8 GTexel/s
FP32 (float)
2.720 TFLOPS
3.226 TFLOPS
FP64 (double)
544.0 GFLOPS
806.4 GFLOPS
Graphics Processor
GPU Name
Cypress
Tahiti
GPU Variant
Cypress XT(215-0735033)
Tahiti PRO GL
Architecture
TeraScale 2
GCN 1.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.154 billion
4.313 billion
Die Size
334 mm²
352 mm²
Board Design
TDP
175W
225W
Suggested PSU
450 W
550 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
4x DisplayPort 1.21x SDI
Power Connectors
2x 6-pin
2x 6-pin
Graphics Features
DirectX
11.2 (11_0)
12 (11_1)
OpenGL
4.4
4.6
OpenCL
1.2
1.2
Vulkan
N/A
1.2
Shader Model
5.0
5.1