Radeon HD 5490 vs 5450

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Higher memory clock speed

500 MHz

400 MHz

25% higher memory clock speed

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GPUBoss is not aware of any important advantages of the 5450 vs the 5490.

8 GB/s

6.4 GB/s

2.6 GPixel/s

2.6 GPixel/s

5.2 GTexel/s

5.2 GTexel/s

104 GFLOPS

104 GFLOPS

gpu	Radeon HD 5490	5450
GPU brand	ATI	ATI
GPU name	Cedar	Cedar
Market	Desktop	Desktop
Clock speed	650 MHz	650 MHz
Is dual GPU	No	No
Reference card	None	None
raw performance
Shading units	80	80
Texture mapping units	8	8
Render output processors	4	4
Compute units	2	2
Pixel rate	2.6 GPixel/s	2.6 GPixel/s
Texture rate	5.2 GTexel/s	5.2 GTexel/s
Floating-point performance	104 GFLOPS	104 GFLOPS

memory	Radeon HD 5490	5450
Memory clock speed	500 MHz	400 MHz
Effective memory clock speed	1,000 MHz	800 MHz
Memory bus	64 bit	64 bit
Memory	1,024 MB	512 MB
Memory type	GDDR3	DDR2
Memory bandwidth	8 GB/s	6.4 GB/s
noise and power
TDP	19W	19W