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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

ATI Radeon HD 5850

49%
49%

AMD Radeon HD 7970

228%
228%
AMD Radeon HD 7970 is approximately 179% faster

Technical Specifications

SpecificationATI Radeon HD 5850AMD Radeon HD 7970
Graphics ProcessorDifferent
Cypress
Tahiti
CoresDifferent
1440
2048
TMUsDifferent
72
128
ROPs
32
32
Memory SizeDifferent
1024 MB
3 GB
Memory Type
GDDR5
GDDR5
Bus WidthDifferent
256 bit
384 bit

Graphics Processor

FeatureATI Radeon HD 5850AMD Radeon HD 7970
GPU NameDifferent
Cypress
Tahiti
GPU VariantDifferent
Cypress PRO(215-0735043)
Tahiti XT(215-0821060)
ArchitectureDifferent
TeraScale 2
GCN 1.0
Foundry
TSMC
TSMC
Process SizeDifferent
40 nm
28 nm
TransistorsDifferent
2,154 million
4,313 million
DensityDifferent
6.4M / mm²
12.3M / mm²
Die SizeDifferent
334 mm²
352 mm²

Graphics Card

FeatureATI Radeon HD 5850AMD Radeon HD 7970
Release DateDifferent
Sep 30th, 2009
Jan 9th, 2012
GenerationDifferent
Evergreen(HD 5800)
Southern Islands(HD 7900)
PredecessorDifferent
Radeon R700
Northern Islands
SuccessorDifferent
Northern Islands
Sea Islands
Production
End-of-life
End-of-life
Launch PriceDifferent
299 USD
549 USD
Bus InterfaceDifferent
PCIe 2.0 x16
PCIe 3.0 x16
ReviewsDifferent
101 in our database
191 in our database
AnnouncedDifferent
N/A
Dec 22nd, 2011

Clock Speeds

FeatureATI Radeon HD 5850AMD Radeon HD 7970
GPU ClockDifferent
725 MHz
925 MHz
Memory ClockDifferent
1000 MHz4 Gbps effective
1375 MHz5.5 Gbps effective

Memory

FeatureATI Radeon HD 5850AMD Radeon HD 7970
Memory SizeDifferent
1024 MB
3 GB
Memory Type
GDDR5
GDDR5
Memory BusDifferent
256 bit
384 bit
BandwidthDifferent
128.0 GB/s
264.0 GB/s

Render Config

FeatureATI Radeon HD 5850AMD Radeon HD 7970
Shading UnitsDifferent
1440
2048
TMUsDifferent
72
128
ROPs
32
32
Compute UnitsDifferent
18
32
L1 CacheDifferent
8 KB (per CU)
16 KB (per CU)
L2 CacheDifferent
512 KB
768 KB

Theoretical Performance

FeatureATI Radeon HD 5850AMD Radeon HD 7970
Pixel RateDifferent
23.20 GPixel/s
29.60 GPixel/s
Texture RateDifferent
52.20 GTexel/s
118.4 GTexel/s
FP32 (float)Different
2.088 TFLOPS
3.789 TFLOPS
FP64 (double)Different
417.6 GFLOPS (1:5)
947.2 GFLOPS (1:4)

Board Design

FeatureATI Radeon HD 5850AMD Radeon HD 7970
Slot Width
Dual-slot
Dual-slot
LengthDifferent
241 mm9.5 inches
275 mm10.8 inches
Height
111 mm4.4 inches
111 mm4.4 inches
WidthDifferent
37 mm1.5 inches
38 mm1.5 inches
TDPDifferent
151 W
250 W
Suggested PSUDifferent
450 W
600 W
OutputsDifferent
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power ConnectorsDifferent
2x 6-pin
1x 6-pin + 1x 8-pin
Board NumberDifferent
109-C00237-00
109-C38637-00

Graphics Features

FeatureATI Radeon HD 5850AMD Radeon HD 7970
DirectXDifferent
11.2 (11_0)
12 (11_1)
OpenGLDifferent
4.4
4.6
OpenCLDifferent
1.2
2.1 (1.2)
VulkanDifferent
N/A
1.2.170
Shader ModelDifferent
5.0
6.5 (5.1)

Comparison Summary

7
Specifications Compared
8
Feature Categories
47
Detailed Features

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