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/ Comparison of Radeon HD 7970M and AMD Radeon HD - FirePro D300 Compute Engine
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Comparison of Radeon HD 7970M and AMD Radeon HD - FirePro D300 Compute Engine
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Attribute
Radeon HD 7970M
×
AMD Radeon HD - FirePro D300 Compute Engine
×
GPU
Release year (year)
2012
2014
GPU brand
AMD
AMD
GPU name
Wimbledon
Pitcairn
Market
Laptop
-
Clock speed (MHz)
850
850
Is dual GPU
-
-
Model
Radeon HD 7970M
AMD Radeon HD - FirePro D300 Compute Engine
Memory
Memory (MB)
2,048
2,048
Memory bandwidth (GB/s)
153.6
162.6
Memory bus (bit)
256
256
Memory type
GDDR5
GDDR5
Memory clock speed (MHz)
1,200
1,270
Effective memory clock speed (MHz)
4,800
5,080
Noise and power
1
↑
TDP (W)
100
150
Raw performance
Pixel rate (GPixel/s)
27.2
27.2
Render output processors
32
32
Texture mapping units
80
80
Shading units
1,280
1,280
Floating-point performance (GFLOPS)
2,176
2,176
Compute units
20
20
Texture rate (GTexel/s)
68
68
Benchmarks
Particle simulation (mInteraction/s)
-
307
T-Rex (Compubench 1.5) (frames/s)
-
1
Video composition (frames/s)
-
70.69
Battlefield 4
35.3
-
Face detection (mPixels/s)
51.64
48.05
T-Rex (GFXBench 3.0)
3339.58
3351.76
Manhattan (GFXBench 3.0)
3713.82
3712.58
Bitcoin mining (mHash/s)
257.3
242.18
Sky Diver Factor
271.71
-
Thief
33.5
-
Fire Strike Factor
46.48
-
Ocean surface simulation (frames/s)
-
1192.55
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