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/ Comparison of Radeon R9 285 and AMD Radeon HD - FirePro D300 Compute Engine
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Comparison of Radeon R9 285 and AMD Radeon HD - FirePro D300 Compute Engine
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Attribute
AMD Radeon HD - FirePro D300 Compute Engine
×
Radeon R9 285
×
GPU
Release year (year)
2014
2014
Reference card
-
AMD Radeon R9 285 918 MHz 2 GB
GPU brand
AMD
AMD
GPU name
Pitcairn
Tonga
Market
-
Desktop
Clock speed (MHz)
850
918
Turbo clock speed (MHz)
-
1,000
Is dual GPU
-
-
Model
AMD Radeon HD - FirePro D300 Compute Engine
Radeon R9 285
Memory
Memory (MB)
2,048
2,048
Memory bandwidth (GB/s)
162.6
176
Memory bus (bit)
256
256
Memory type
GDDR5
GDDR5
Memory clock speed (MHz)
1,270
1,375
Effective memory clock speed (MHz)
5,080
5,500
Noise and power
TDP (W)
150
190
Raw performance
Pixel rate (GPixel/s)
27.2
29.38
Render output processors
32
32
Texture mapping units
80
112
Shading units
1,280
1,792
Floating-point performance (GFLOPS)
2,176
3,290
Compute units
20
28
Texture rate (GTexel/s)
68
102.8
Benchmarks
FarCry 3
-
35
Particle simulation (mInteraction/s)
307
-
T-Rex (Compubench 1.5) (frames/s)
1
-
Video composition (frames/s)
70.69
-
Face detection (mPixels/s)
48.05
72.8
T-Rex (GFXBench 3.0)
3351.76
3355.84
Manhattan (GFXBench 3.0)
3712.58
3715.04
Bitcoin mining (mHash/s)
242.18
391.4
Sky Diver Factor
-
344.37
1
↑
Fire Strike Factor
-
50.84
Ocean surface simulation (frames/s)
1192.55
1474.63
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