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/ Comparison of Radeon HD 7990 and Radeon RX 580
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Comparison of Radeon HD 7990 and Radeon RX 580
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Attribute
Radeon RX 580
×
Radeon HD 7990
×
GPU
Release year (year)
2017
2013
Reference card
-
AMD Radeon HD 7990 950 MHz 6 GB
GPU brand
AMD
AMD
GPU name
Polaris 20
Malta
Market
-
Desktop
Clock speed (MHz)
1,257
950
Turbo clock speed (MHz)
1,340
1,000
Is dual GPU
-
+
Model
Radeon RX 580
Radeon HD 7990
Memory
Memory (MB)
8,192
6,144
Memory bandwidth (GB/s)
256
576
Memory bus (bit)
256
768
Memory type
GDDR5
GDDR5
Memory clock speed (MHz)
2,000
1,500
Effective memory clock speed (MHz)
8,000
6,000
Noise and power
1
↑
TDP (W)
185
375
Load power consumption (W)
-
573
Idle power consumption (W)
-
135
Load noise level (dB)
-
60
Idle noise level (dB)
-
43
Raw performance
Pixel rate (GPixel/s)
42.88
64
Render output processors
32
64
Texture mapping units
144
256
Shading units
2,304
4,096
Floating-point performance (GFLOPS)
6,175
8,192
Compute units
36
64
Texture rate (GTexel/s)
193
256
Benchmarks
Cloud Gate Factor
22.5
23
Face detection (mPixels/s)
116.37
90.43
T-Rex (GFXBench 3.0)
3350.64
3356.38
Manhattan (GFXBench 3.0)
3709.21
3716.14
Bitcoin mining (mHash/s)
607.72
458.53
Sky Diver Factor
441.03
393.8
Fire Strike Factor
75.63
75.52
Ocean surface simulation (frames/s)
2007.61
1833.02
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