AMD Radeon R9 270 1024SP vs ATI FirePro V7900 SDI
GPU Specs Compare
Graphics Card
Release Date
Mar 2015
May 2011
Generation
Volcanic Islands
FirePro
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
900 MHz
-
Boost Clock
925 MHz
-
Memory Clock
1200 MHz
1250 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
160.0GB/s
Render Config
Compute Units
16
20
Shading Units
1024
1280
TMUs
64
80
ROPs
32
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
23.20 GPixel/s
Texture Rate
59.20 GTexel/s
58.00 GTexel/s
FP32 (float)
1.894 TFLOPS
1.856 TFLOPS
FP64 (double)
118.4 GFLOPS
464.0 GFLOPS
Graphics Processor
GPU Name
Pitcairn
Cayman
GPU Variant
Pitcairn PRO(215-0828062)
Cayman PRO GL
Architecture
GCN 1.0
TeraScale 3
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
2.8 billion
2.64 billion
Die Size
212 mm²
389 mm²
Board Design
TDP
150W
150W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
4x SDI
Power Connectors
1x 6-pin
1x 6-pin
Graphics Features
DirectX
12 (11_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
1.2
1.2
Vulkan
1.2
N/A
Shader Model
5.1
5.0