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GPU Comparison
AMD Radeon HD 6850 vs ATI Radeon HD 5450 PCIe x1
AMD Radeon HD 6850 vs ATI Radeon HD 5450 PCIe x1
VS
AMD Radeon HD 6850
ATI Radeon HD 5450 PCIe x1
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 and 512MB VRAM Radeon HD 5450 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6850 's Advantages
Released 8 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (128.0GB/s vs 8.000GB/s)
880 additional rendering cores
ATI Radeon HD 5450 PCIe x1 's Advantages
Lower TDP (19W vs 127W)
Score
Benchmark
FP32 (float)
Radeon HD 6850
+1330%
1.488 TFLOPS
Radeon HD 5450 PCIe x1
0.104 TFLOPS
Radeon HD 6850
VS
Radeon HD 5450 PCIe x1
Graphics Card
Oct 2010
Release Date
Feb 2010
Northern Islands
Generation
Evergreen
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x1
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1000 MHz
Memory Clock
500 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
128.0GB/s
Bandwidth
8.000GB/s
Render Config
-
SM Count
-
12
Compute Units
2
960
Shading Units
80
48
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
24.80 GPixel/s
Pixel Rate
2.600 GPixel/s
37.20 GTexel/s
Texture Rate
5.200 GTexel/s
-
FP16 (half)
-
1488 GFLOPS
FP32 (float)
104.0 GFLOPS
-
FP64 (double)
-
Graphics Processor
Barts
GPU Name
Cedar
Barts PRO (215-0798006)
GPU Variant
Cedar PRO
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.7 billion
Transistors
0.292 billion
255 mm²
Die Size
59 mm²
Board Design
127W
TDP
19W
300 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 6-pin
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
5.0
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