AMD FireStream 9270 vs AMD Radeon HD 7970 GHz Edition
We compared two Desktop platform GPUs: 2GB VRAM FireStream 9270 and 3GB VRAM Radeon HD 7970 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD FireStream 9270 's Advantages
Lower TDP (160W vs 300W)
AMD Radeon HD 7970 GHz Edition 's Advantages
Released 3 years and 7 months late
Boost Clock1050MHz
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 115.2GB/s)
1248 additional rendering cores
Score
Benchmark
FP32 (float)
FireStream 9270
1.2 TFLOPS
Radeon HD 7970 GHz Edition
+258%
4.301 TFLOPS
Graphics Card
Nov 2008
Release Date
Jun 2012
FireStream
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1000 MHz
-
Boost Clock
1050 MHz
900 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
115.2GB/s
Bandwidth
288.0GB/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
12.00 GPixel/s
Pixel Rate
33.60 GPixel/s
30.00 GTexel/s
Texture Rate
134.4 GTexel/s
-
-
-
1200 GFLOPS
FP32 (float)
4.301 TFLOPS
240.0 GFLOPS
FP64 (double)
1075 GFLOPS
Board Design
160W
TDP
300W
450 W
Suggested PSU
700 W
1x DVI
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
RV770
GPU Name
Tahiti
RV770 XT
GPU Variant
Tahiti XT2
(215-0821065)
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
1.2
N/A
Vulkan
1.2
-
-
-
4.1
Shader Model
5.1
