FireStream 9250 vs Radeon HD 6870 1600SP Edition
We compared two Desktop platform GPUs: 1024MB VRAM FireStream 9250 and 1024MB VRAM Radeon HD 6870 1600SP Edition 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 175W)
Radeon HD 6870 1600SP Edition 's Advantages
Released 4 years and 7 months late
Larger VRAM bandwidth (134.4GB/s vs 63.55GB/s)
800 additional rendering cores
Score
Benchmark
FP32 (float)
FireStream 9250
1000
Radeon HD 6870 1600SP Edition
+172%
2720
Graphics Card
Jun 2008
Release Date
Jan 2013
FireStream
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
993 MHz
Memory Clock
1050 MHz
Memory
1024MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
256bit
63.55GB/s
Bandwidth
134.4GB/s
Render Config
10
Compute Units
20
800
Shading Units
1600
40
TMUs
80
16
ROPs
32
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
10.00 GPixel/s
Pixel Rate
27.20 GPixel/s
25.00 GTexel/s
Texture Rate
68.00 GTexel/s
1000 GFLOPS
FP32 (float)
2.720 TFLOPS
200.0 GFLOPS
FP64 (double)
544.0 GFLOPS
Board Design
150W
TDP
175W
450 W
Suggested PSU
450 W
1x DVI
Outputs
2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
1x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
RV770
GPU Name
Cypress
RV770 PRO
GPU Variant
Cypress XT
(215-0735033)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.956 billion
Transistors
2.154 billion
256 mm²
Die Size
334 mm²
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
4.1
Shader Model
5.0
