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GPU Comparison

Side-by-side comparison of specifications and performance

AMD Radeon HD 7970 GHz Edition

AMD Radeon HD 7970 GHz Edition

AMD Radeon HD 7770 GHz Edition

AMD Radeon HD 7770 GHz Edition

Performance Comparison

AMD Radeon HD 7970 GHz Edition

267%
267%

AMD Radeon HD 7770 GHz Edition

100%
100%
AMD Radeon HD 7970 GHz Edition is approximately 167% faster

Technical Specifications

SpecificationAMD Radeon HD 7970 GHz EditionAMD Radeon HD 7770 GHz Edition
Graphics ProcessorDifferent
Tahiti
Cape Verde
CoresDifferent
2048
640
TMUsDifferent
128
40
ROPsDifferent
32
16
Memory SizeDifferent
3 GB
1024 MB
Memory Type
GDDR5
GDDR5
Bus WidthDifferent
384 bit
128 bit

Graphics Processor

FeatureAMD Radeon HD 7970 GHz EditionAMD Radeon HD 7770 GHz Edition
GPU NameDifferent
Tahiti
Cape Verde
GPU VariantDifferent
Tahiti XT2(215-0821065)
Cape Verde XT(215-0825117)
Architecture
GCN 1.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
TransistorsDifferent
4,313 million
1,500 million
DensityDifferent
12.3M / mm²
12.2M / mm²
Die SizeDifferent
352 mm²
123 mm²
Chip PackageDifferent
N/A
FCBGA-962

Graphics Card

FeatureAMD Radeon HD 7970 GHz EditionAMD Radeon HD 7770 GHz Edition
Release DateDifferent
Jun 22nd, 2012
Feb 15th, 2012
GenerationDifferent
Southern Islands(HD 7900)
Southern Islands(HD 7700)
Predecessor
Northern Islands
Northern Islands
Successor
Sea Islands
Sea Islands
Production
End-of-life
End-of-life
Launch PriceDifferent
499 USD
159 USD
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
191 in our database
97 in our database

Clock Speeds

FeatureAMD Radeon HD 7970 GHz EditionAMD Radeon HD 7770 GHz Edition
Base ClockDifferent
1000 MHz
N/A
Boost ClockDifferent
1050 MHz
N/A
Memory ClockDifferent
1500 MHz6 Gbps effective
1125 MHz4.5 Gbps effective
GPU ClockDifferent
N/A
1000 MHz

Memory

FeatureAMD Radeon HD 7970 GHz EditionAMD Radeon HD 7770 GHz Edition
Memory SizeDifferent
3 GB
1024 MB
Memory Type
GDDR5
GDDR5
Memory BusDifferent
384 bit
128 bit
BandwidthDifferent
288.0 GB/s
72.00 GB/s

Render Config

FeatureAMD Radeon HD 7970 GHz EditionAMD Radeon HD 7770 GHz Edition
Shading UnitsDifferent
2048
640
TMUsDifferent
128
40
ROPsDifferent
32
16
Compute UnitsDifferent
32
10
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 CacheDifferent
768 KB
256 KB

Theoretical Performance

FeatureAMD Radeon HD 7970 GHz EditionAMD Radeon HD 7770 GHz Edition
Pixel RateDifferent
33.60 GPixel/s
16.00 GPixel/s
Texture RateDifferent
134.4 GTexel/s
40.00 GTexel/s
FP32 (float)Different
4.301 TFLOPS
1,280.0 GFLOPS
FP64 (double)Different
1,075.2 GFLOPS (1:4)
80.00 GFLOPS (1:16)

Board Design

FeatureAMD Radeon HD 7970 GHz EditionAMD Radeon HD 7770 GHz Edition
Slot Width
Dual-slot
Dual-slot
LengthDifferent
275 mm10.8 inches
210 mm8.3 inches
HeightDifferent
111 mm4.4 inches
N/A
WidthDifferent
38 mm1.5 inches
N/A
TDPDifferent
300 W
80 W
Suggested PSUDifferent
700 W
250 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power ConnectorsDifferent
1x 6-pin + 1x 8-pin
1x 6-pin
Board NumberDifferent
109-C38637-00
109-C44157-00C, C468

Graphics Features

FeatureAMD Radeon HD 7970 GHz EditionAMD Radeon HD 7770 GHz Edition
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1 (1.2)
2.1 (1.2)
Vulkan
1.2.170
1.2.170
Shader Model
6.5 (5.1)
6.5 (5.1)

Comparison Summary

7
Specifications Compared
8
Feature Categories
49
Detailed Features

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AMD Radeon HD 7970 GHz Edition vs GeForce GTX 1650

GeForce GTX 1650 Performance115%

GeForce GTX 1650 is 15% faster than AMD Radeon HD 7970 GHz Edition

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AMD Radeon HD 7970 GHz Edition vs Radeon RX 6400

Radeon RX 6400 Performance112%

Radeon RX 6400 is 12% faster than AMD Radeon HD 7970 GHz Edition

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AMD Radeon HD 7970 GHz Edition vs Arc A380

Arc A380 Performance111%

Arc A380 is 11% faster than AMD Radeon HD 7970 GHz Edition

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AMD Radeon HD 7970 GHz Edition vs GeForce GTX 780

GeForce GTX 780 Performance111%

GeForce GTX 780 is 11% faster than AMD Radeon HD 7970 GHz Edition

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AMD Radeon HD 7970 GHz Edition vs Radeon HD 7970 GHz Edition

Radeon HD 7970 GHz Edition Performance100%

Radeon HD 7970 GHz Edition is 0% slower than AMD Radeon HD 7970 GHz Edition

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AMD Radeon HD 7970 GHz Edition vs GeForce GTX 590

GeForce GTX 590 Performance100%

GeForce GTX 590 is 0% slower than AMD Radeon HD 7970 GHz Edition

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More Comparisons with AMD Radeon HD 7770 GHz Edition

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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 650 Ti

GeForce GTX 650 Ti Performance119%

GeForce GTX 650 Ti is 19% faster than AMD Radeon HD 7770 GHz Edition

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AMD Radeon HD 7770 GHz Edition vs Radeon HD 5850

Radeon HD 5850 Performance117%

Radeon HD 5850 is 17% faster than AMD Radeon HD 7770 GHz Edition

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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 285

GeForce GTX 285 Performance109%

GeForce GTX 285 is 9% faster than AMD Radeon HD 7770 GHz Edition

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AMD Radeon HD 7770 GHz Edition vs Radeon HD 6850

Radeon HD 6850 Performance107%

Radeon HD 6850 is 7% faster than AMD Radeon HD 7770 GHz Edition

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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 280

GeForce GTX 280 Performance100%

GeForce GTX 280 is 0% slower than AMD Radeon HD 7770 GHz Edition

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AMD Radeon HD 7770 GHz Edition vs Radeon HD 7770 GHz Edition

Radeon HD 7770 GHz Edition Performance100%

Radeon HD 7770 GHz Edition is 0% slower than AMD Radeon HD 7770 GHz Edition

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