Radeon HD 7970 X2 vs FireStream 9250
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 1024MB VRAM FireStream 9250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7970 X2 's Advantages
Released 4 years and 2 months late
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (264.0GB/s vs 63.55GB/s)
1248 additional rendering cores
FireStream 9250 's Advantages
Lower TDP (150W vs 500W)
Score
Benchmark
FP32 (float)
Radeon HD 7970 X2
+278%
3789
FireStream 9250
1000
Graphics Card
Aug 2012
Release Date
Jun 2008
Southern Islands
Generation
FireStream
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1375 MHz
Memory Clock
993 MHz
Memory
3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
256bit
264.0GB/s
Bandwidth
63.55GB/s
Render Config
32
Compute Units
10
2048
Shading Units
800
128
TMUs
40
32
ROPs
16
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
256 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
10.00 GPixel/s
118.4 GTexel/s
Texture Rate
25.00 GTexel/s
3.789 TFLOPS
FP32 (float)
1000 GFLOPS
947.2 GFLOPS
FP64 (double)
200.0 GFLOPS
Board Design
500W
TDP
150W
900 W
Suggested PSU
450 W
2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Outputs
1x DVI
3x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
New Zealand
GPU Name
RV770
-
GPU Variant
RV770 PRO
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
4.313 billion
Transistors
0.956 billion
352 mm²
Die Size
256 mm²
Graphics Features
12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
5.1
Shader Model
4.1
