Home GPU Comparison AMD FireStream 9270 vs AMD Radeon HD 6870 X2

AMD FireStream 9270 vs AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 2GB VRAM FireStream 9270 and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD FireStream 9270 's Advantages
More VRAM (2GB vs 1024GB)
Lower TDP (160W vs 300W)
AMD Radeon HD 6870 X2 's Advantages
Released 2 years and 8 months late
Larger VRAM bandwidth (134.4GB/s vs 115.2GB/s)
320 additional rendering cores

Score

Benchmark

FP32 (float)
FireStream 9270
1.2 TFLOPS
Radeon HD 6870 X2 +68%
2.016 TFLOPS
VS

Graphics Card

Nov 2008
Release Date
Jul 2011
FireStream
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
900 MHz
Memory Clock
1050 MHz

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
115.2GB/s
Bandwidth
134.4GB/s

Render Config

10
Compute Units
14
-
-
-
800
Shading Units
1120
40
TMUs
56
16
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

12.00 GPixel/s
Pixel Rate
28.80 GPixel/s
30.00 GTexel/s
Texture Rate
50.40 GTexel/s
-
-
-
1200 GFLOPS
FP32 (float)
2.016 TFLOPS
240.0 GFLOPS
FP64 (double)
-

Board Design

160W
TDP
300W
450 W
Suggested PSU
700 W
1x DVI
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
2x 6-pin
Power Connectors
-

Graphics Processor

RV770
GPU Name
Barts
RV770 XT
GPU Variant
Barts XT (215-0798000)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.956 billion
Transistors
1.7 billion
256 mm²
Die Size
255 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

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