FireStream 9250 vs Radeon HD 3870 X2
We compared two Desktop platform GPUs: 1024MB VRAM FireStream 9250 and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
FireStream 9250 's Advantages
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (63.55GB/s vs 57.66GB/s)
480 additional rendering cores
Lower TDP (150W vs 165W)
Score
Benchmark
FP32 (float)
FireStream 9250
+89%
1000
Radeon HD 3870 X2
528
Graphics Card
Jun 2008
Release Date
Jan 2008
FireStream
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
993 MHz
Memory Clock
901 MHz
Memory
1024MB
Memory Size
512MB
GDDR3
Memory Type
GDDR3
256bit
Memory Bus
256bit
63.55GB/s
Bandwidth
57.66GB/s
Render Config
10
Compute Units
4
800
Shading Units
320
40
TMUs
16
16
ROPs
16
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
256 KB
Theoretical Performance
10.00 GPixel/s
Pixel Rate
13.20 GPixel/s
25.00 GTexel/s
Texture Rate
13.20 GTexel/s
1000 GFLOPS
FP32 (float)
528.0 GFLOPS
200.0 GFLOPS
FP64 (double)
105.6 GFLOPS
Board Design
150W
TDP
165W
450 W
Suggested PSU
450 W
1x DVI
Outputs
2x DVI
1x S-Video
1x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
RV770
GPU Name
R680
RV770 PRO
GPU Variant
R680 XT
(215-0708017)
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
0.956 billion
Transistors
0.666 billion
256 mm²
Die Size
192 mm²
Graphics Features
10.1 (10_1)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3 (full)
4.0 (partial)
1.1
OpenCL
N/A
N/A
Vulkan
N/A
4.1
Shader Model
4.1
