Factopedia
[O]bjects
[C]omparisons
Comparisons
/ Comparison of Radeon HD 7870 and Radeon R9 270
Please fix the following errors:
Comparison of Radeon HD 7870 and Radeon R9 270
[S]ave
Attribute
Radeon R9 270
×
Radeon HD 7870
×
GPU
Release year (year)
2013
2012
GPU brand
AMD
AMD
GPU name
Curacao
Pitcairn XT
Market
Desktop
Desktop
Clock speed (MHz)
900
1,000
Turbo clock speed (MHz)
925
-
Is dual GPU
-
-
Model
Radeon R9 270
Radeon HD 7870
Memory
Memory (MB)
2,048
2,048
Memory bandwidth (GB/s)
179.2
153.6
Memory bus (bit)
256
256
Memory type
GDDR5
GDDR5
Memory clock speed (MHz)
1,400
1,200
Effective memory clock speed (MHz)
5,600
4,800
Noise and power
TDP (W)
150
175
1
↑
Load power consumption (W)
-
295
Idle power consumption (W)
-
108
Load noise level (dB)
-
48.8
Idle noise level (dB)
-
39.5
Raw performance
Pixel rate (GPixel/s)
29.6
32
Render output processors
32
32
Texture mapping units
80
80
Shading units
1,280
1,280
Floating-point performance (GFLOPS)
2,368
2,560
Compute units
20
20
Texture rate (GTexel/s)
74
80
Benchmarks
Crysis 3
74
25.8
Battlefield 4
65
43
Face detection (mPixels/s)
57.24
55.45
T-Rex (GFXBench 3.0)
3359.76
3352.76
Manhattan (GFXBench 3.0)
3717.7
3714.8
Bitcoin mining (mHash/s)
251.26
294.21
Sky Diver Factor
312.65
324.89
Fire Strike Factor
49.6
50.19
Help
·
Contact us
·
Disclaimer
·
Contributors
·
Developers
·
Donate