GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7970
267%
267%
AMD Radeon HD 7770 GHz Edition
113%
113%
AMD Radeon HD 7970 is approximately 154% faster
Technical Specifications
| Specification | AMD Radeon HD 7970 | AMD 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
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| GPU NameDifferent | Tahiti | Cape Verde |
| GPU VariantDifferent | Tahiti XT(215-0821060) | 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
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Release DateDifferent | Jan 9th, 2012 | Feb 15th, 2012 |
| AnnouncedDifferent | Dec 22nd, 2011 | N/A |
| 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 | 549 USD | 159 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 191 in our database | 97 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| GPU ClockDifferent | 925 MHz | 1000 MHz |
| Memory ClockDifferent | 1375 MHz5.5 Gbps effective | 1125 MHz4.5 Gbps effective |
Memory
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Memory SizeDifferent | 3 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 384 bit | 128 bit |
| BandwidthDifferent | 264.0 GB/s | 72.00 GB/s |
Render Config
| Feature | AMD Radeon HD 7970 | AMD 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
| Feature | AMD Radeon HD 7970 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Pixel RateDifferent | 29.60 GPixel/s | 16.00 GPixel/s |
| Texture RateDifferent | 118.4 GTexel/s | 40.00 GTexel/s |
| FP32 (float)Different | 3.789 TFLOPS | 1,280.0 GFLOPS |
| FP64 (double)Different | 947.2 GFLOPS (1:4) | 80.00 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon HD 7970 | AMD 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 | 250 W | 80 W |
| Suggested PSUDifferent | 600 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
| Feature | AMD Radeon HD 7970 | AMD 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
48
Detailed Features
More Comparisons with AMD Radeon HD 7970
Compare AMD Radeon HD 7970 with other GPUs of similar performance
AMD Radeon HD 7970 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance113%
Radeon HD 7970 GHz Edition is 13% faster than AMD Radeon HD 7970
Compare Detailed Specs
AMD Radeon HD 7970 vs GeForce GTX 590
GeForce GTX 590 Performance113%
GeForce GTX 590 is 13% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs Radeon R9 280X
Radeon R9 280X Performance111%
Radeon R9 280X is 11% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs Radeon HD 6990
Radeon HD 6990 Performance109%
Radeon HD 6990 is 9% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs GeForce GTX 1050 Ti
GeForce GTX 1050 Ti Performance103%
GeForce GTX 1050 Ti is 3% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs GeForce GTX 680
GeForce GTX 680 Performance101%
GeForce GTX 680 is 1% faster than AMD Radeon HD 7970
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More Comparisons with AMD Radeon HD 7770 GHz Edition
Compare AMD Radeon HD 7770 GHz Edition with other GPUs of similar performance
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
Compare Detailed Specs