FireStream 9250 vs Radeon HD 2900 GT
We compared two Desktop platform GPUs: 1024MB VRAM FireStream 9250 and 256MB VRAM Radeon HD 2900 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
FireStream 9250 's Advantages
Released 7 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (63.55GB/s vs 51.20GB/s)
560 additional rendering cores
Score
Benchmark
FP32 (float)
FireStream 9250
+247%
1000
Radeon HD 2900 GT
288
Graphics Card
Jun 2008
Release Date
Nov 2007
FireStream
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
993 MHz
Memory Clock
800 MHz
Memory
1024MB
Memory Size
256MB
GDDR3
Memory Type
GDDR3
256bit
Memory Bus
256bit
63.55GB/s
Bandwidth
51.20GB/s
Render Config
10
Compute Units
3
800
Shading Units
240
40
TMUs
12
16
ROPs
12
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
128 KB
Theoretical Performance
10.00 GPixel/s
Pixel Rate
7.212 GPixel/s
25.00 GTexel/s
Texture Rate
7.212 GTexel/s
1000 GFLOPS
FP32 (float)
288.5 GFLOPS
200.0 GFLOPS
FP64 (double)
-
Board Design
150W
TDP
150W
450 W
Suggested PSU
450 W
1x DVI
Outputs
2x DVI
1x S-Video
1x 6-pin
Power Connectors
1x 8-pin
Graphics Processor
RV770
GPU Name
R600
RV770 PRO
GPU Variant
R600 GT
(215RGFDKA13FG)
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
80 nm
0.956 billion
Transistors
0.72 billion
256 mm²
Die Size
420 mm²
Graphics Features
10.1 (10_1)
DirectX
10.0 (10_0)
3.3
OpenGL
3.3 (full)
4.0 (partial)
1.1
OpenCL
N/A
N/A
Vulkan
N/A
4.1
Shader Model
4.0
