ATI FirePro V7800 vs AMD Radeon Sky 900
GPU · Specs Compare
Graphics Card
Release Date
Apr 2010
Mar 2013
Generation
FirePro
Radeon Sky
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1000 MHz
1250 MHz
Base Clock
—
825 MHz
Boost Clock
—
950 MHz
Memory
Memory Size
2GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
128.0GB/s
240.0GB/s
Render Config
Compute Units
18
28
Shading Units
1440
1792
TMUs
72
112
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
768 KB
Theoretical Performance
Pixel Rate
22.40 GPixel/s
30.40 GPixel/s
Texture Rate
50.40 GTexel/s
106.4 GTexel/s
FP32 (float)
2.016 TFLOPS
3.405 TFLOPS
FP64 (double)
403.2 GFLOPS
851.2 GFLOPS
Graphics Processor
GPU Name
Cypress
Tahiti
GPU Variant
Cypress PRO GL
Orthrus
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
150W
300W
Suggested PSU
450 W
700 W
Outputs
1x DVI2x DisplayPort 1.1
1x DVI1x mini-DisplayPort 1.2
Power Connectors
1x 6-pin
2x 8-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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.