FireStream 9250 vs Radeon HD 7970
We compared two Desktop platform GPUs: 1024MB VRAM FireStream 9250 and 3GB VRAM Radeon HD 7970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
FireStream 9250 's Advantages
Lower TDP (150W vs 250W)
Radeon HD 7970 's Advantages
Released 3 years and 7 months late
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (264.0GB/s vs 63.55GB/s)
1248 additional rendering cores
Score
Benchmark
FP32 (float)
FireStream 9250
1000
Radeon HD 7970
+278%
3789
Graphics Card
Jun 2008
Release Date
Jan 2012
FireStream
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
993 MHz
Memory Clock
1375 MHz
Memory
1024MB
Memory Size
3GB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
384bit
63.55GB/s
Bandwidth
264.0GB/s
Render Config
10
Compute Units
32
800
Shading Units
2048
40
TMUs
128
16
ROPs
32
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
768 KB
Theoretical Performance
10.00 GPixel/s
Pixel Rate
29.60 GPixel/s
25.00 GTexel/s
Texture Rate
118.4 GTexel/s
1000 GFLOPS
FP32 (float)
3.789 TFLOPS
200.0 GFLOPS
FP64 (double)
947.2 GFLOPS
Board Design
150W
TDP
250W
450 W
Suggested PSU
600 W
1x DVI
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
RV770
GPU Name
Tahiti
RV770 PRO
GPU Variant
Tahiti XT
(215-0821060)
TeraScale
Architecture
GCN 1.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.956 billion
Transistors
4.313 billion
256 mm²
Die Size
352 mm²
Graphics Features
10.1 (10_1)
DirectX
12 (11_1)
3.3
OpenGL
4.6
1.1
OpenCL
2.1 (1.2)
N/A
Vulkan
1.2.170
4.1
Shader Model
6.5 (5.1)
