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GPU Comparison
AMD Radeon HD 6790 vs AMD FireStream 9270
AMD Radeon HD 6790 vs AMD FireStream 9270
VS
AMD Radeon HD 6790
AMD FireStream 9270
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 2GB VRAM FireStream 9270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6790 's Advantages
Released 2 years and 5 months late
Larger VRAM bandwidth (134.4GB/s vs 115.2GB/s)
Lower TDP (150W vs 160W)
AMD FireStream 9270 's Advantages
More VRAM (2GB vs 1GB)
Score
Benchmark
FP32 (float)
Radeon HD 6790
+12%
1.344 TFLOPS
FireStream 9270
1.2 TFLOPS
Radeon HD 6790
VS
FireStream 9270
Graphics Card
Apr 2011
Release Date
Nov 2008
Northern Islands
Generation
FireStream
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
134.4GB/s
Bandwidth
115.2GB/s
Render Config
-
SM Count
-
10
Compute Units
10
800
Shading Units
800
40
TMUs
40
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
13.44 GPixel/s
Pixel Rate
12.00 GPixel/s
33.60 GTexel/s
Texture Rate
30.00 GTexel/s
-
FP16 (half)
-
1344 GFLOPS
FP32 (float)
1200 GFLOPS
-
FP64 (double)
240.0 GFLOPS
Graphics Processor
Barts
GPU Name
RV770
Barts LE (215-0798002)
GPU Variant
RV770 XT
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.7 billion
Transistors
0.956 billion
255 mm²
Die Size
256 mm²
Board Design
150W
TDP
160W
450 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
1x DVI
2x 6-pin
Power Connectors
2x 6-pin
Graphics Features
11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
4.1
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