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GPU Comparison
AMD FireStream 9270 vs AMD Radeon HD 7870 GHz Edition
AMD FireStream 9270 vs AMD Radeon HD 7870 GHz Edition
VS
AMD FireStream 9270
AMD Radeon HD 7870 GHz Edition
We compared two Desktop platform GPUs: 2GB VRAM FireStream 9270 and 2GB VRAM Radeon HD 7870 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 175W)
AMD Radeon HD 7870 GHz Edition 's Advantages
Released 3 years and 4 months late
Larger VRAM bandwidth (153.6GB/s vs 115.2GB/s)
480 additional rendering cores
Score
Benchmark
FP32 (float)
FireStream 9270
1.2 TFLOPS
Radeon HD 7870 GHz Edition
+113%
2.56 TFLOPS
FireStream 9270
VS
Radeon HD 7870 GHz Edition
Graphics Card
Nov 2008
Release Date
Mar 2012
FireStream
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
1200 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
115.2GB/s
Bandwidth
153.6GB/s
Render Config
-
SM Count
-
10
Compute Units
20
800
Shading Units
1280
40
TMUs
80
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
12.00 GPixel/s
Pixel Rate
32.00 GPixel/s
30.00 GTexel/s
Texture Rate
80.00 GTexel/s
-
FP16 (half)
-
1200 GFLOPS
FP32 (float)
2.560 TFLOPS
240.0 GFLOPS
FP64 (double)
160.0 GFLOPS
Graphics Processor
RV770
GPU Name
Pitcairn
RV770 XT
GPU Variant
Pitcairn XT (215-0828047)
TeraScale
Architecture
GCN 1.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.956 billion
Transistors
2.8 billion
256 mm²
Die Size
212 mm²
Board Design
160W
TDP
175W
450 W
Suggested PSU
450 W
1x DVI
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
2x 6-pin
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
-
CUDA
-
4.1
Shader Model
5.1
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