ATI FirePro V7900 SDI vs AMD FireStream 9270
We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 SDI and 2GB VRAM FireStream 9270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI FirePro V7900 SDI 's Advantages
Released 2 years and 6 months late
Larger VRAM bandwidth (160.0GB/s vs 115.2GB/s)
480 additional rendering cores
Lower TDP (150W vs 160W)
Score
Benchmark
FP32 (float)
FirePro V7900 SDI
+54%
1.856 TFLOPS
FireStream 9270
1.2 TFLOPS
Graphics Card
May 2011
Release Date
Nov 2008
FirePro
Generation
FireStream
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
115.2GB/s
Render Config
20
Compute Units
10
-
-
-
1280
Shading Units
800
80
TMUs
40
32
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
23.20 GPixel/s
Pixel Rate
12.00 GPixel/s
58.00 GTexel/s
Texture Rate
30.00 GTexel/s
-
-
-
1.856 TFLOPS
FP32 (float)
1200 GFLOPS
464.0 GFLOPS
FP64 (double)
240.0 GFLOPS
Board Design
150W
TDP
160W
450 W
Suggested PSU
450 W
4x SDI
Outputs
1x DVI
1x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
Cayman
GPU Name
RV770
Cayman PRO GL
GPU Variant
RV770 XT
TeraScale 3
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
2.64 billion
Transistors
0.956 billion
389 mm²
Die Size
256 mm²
Graphics Features
11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
-
-
5.0
Shader Model
4.1
