GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4770
59%
59%
AMD Radeon HD 7770 GHz Edition
449%
449%
AMD Radeon HD 7770 GHz Edition is approximately 390% faster
Technical Specifications
| Specification | ATI Radeon HD 4770 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Graphics ProcessorDifferent | RV740 | Cape Verde |
| Cores | 640 | 640 |
| TMUsDifferent | 32 | 40 |
| ROPs | 16 | 16 |
| Memory SizeDifferent | 512 MB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128 bit | 128 bit |
Graphics Processor
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| GPU NameDifferent | RV740 | Cape Verde |
| GPU VariantDifferent | RV740 XT(215-0727019) | Cape Verde XT(215-0825117) |
| ArchitectureDifferent | TeraScale | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 40 nm | 28 nm |
| TransistorsDifferent | 826 million | 1,500 million |
| DensityDifferent | 6.0M / mm² | 12.2M / mm² |
| Die SizeDifferent | 137 mm² | 123 mm² |
| Chip PackageDifferent | N/A | FCBGA-962 |
Graphics Card
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Release DateDifferent | Apr 28th, 2009 | Feb 15th, 2012 |
| GenerationDifferent | Radeon R700(HD 4700) | Southern Islands(HD 7700) |
| PredecessorDifferent | Radeon R600 | Northern Islands |
| SuccessorDifferent | Evergreen | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 109 USD | 159 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 82 in our database | 97 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| GPU ClockDifferent | 750 MHz | 1000 MHz |
| Memory ClockDifferent | 800 MHz3.2 Gbps effective | 1125 MHz4.5 Gbps effective |
Memory
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Memory SizeDifferent | 512 MB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 128 bit | 128 bit |
| BandwidthDifferent | 51.20 GB/s | 72.00 GB/s |
Render Config
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Shading Units | 640 | 640 |
| TMUsDifferent | 32 | 40 |
| ROPs | 16 | 16 |
| Compute UnitsDifferent | 8 | 10 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 128 KB | 256 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Pixel RateDifferent | 12.00 GPixel/s | 16.00 GPixel/s |
| Texture RateDifferent | 24.00 GTexel/s | 40.00 GTexel/s |
| FP32 (float)Different | 960.0 GFLOPS | 1,280.0 GFLOPS |
| FP64 (double)Different | 192.0 GFLOPS (1:5) | 80.00 GFLOPS (1:16) |
Board Design
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 203 mm8 inches | 210 mm8.3 inches |
| TDP | 80 W | 80 W |
| Suggested PSU | 250 W | 250 W |
| OutputsDifferent | 2x DVI1x S-Video | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power Connectors | 1x 6-pin | 1x 6-pin |
| Board NumberDifferent | B743 | 109-C44157-00C, C468 |
Graphics Features
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| DirectXDifferent | 10.1 (10_1) | 12 (11_1) |
| OpenGLDifferent | 3.3 | 4.6 |
| OpenCLDifferent | 1.1 | 2.1 (1.2) |
| VulkanDifferent | N/A | 1.2.170 |
| Shader ModelDifferent | 4.1 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
45
Detailed Features
More Comparisons with ATI Radeon HD 4770
Compare ATI Radeon HD 4770 with other GPUs of similar performance
ATI Radeon HD 4770 vs Radeon HD 5750
Radeon HD 5750 Performance115%
Radeon HD 5750 is 15% faster than ATI Radeon HD 4770
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ATI Radeon HD 4770 vs GeForce GTS 450
GeForce GTS 450 Performance111%
GeForce GTS 450 is 11% faster than ATI Radeon HD 4770
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ATI Radeon HD 4770 vs GeForce GTS 250
GeForce GTS 250 Performance108%
GeForce GTS 250 is 8% faster than ATI Radeon HD 4770
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ATI Radeon HD 4770 vs Radeon HD 4850
Radeon HD 4850 Performance105%
Radeon HD 4850 is 5% faster than ATI Radeon HD 4770
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ATI Radeon HD 4770 vs Radeon HD 4770
Radeon HD 4770 Performance100%
Radeon HD 4770 is 0% slower than ATI Radeon HD 4770
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ATI Radeon HD 4770 vs Radeon HD 4830
Radeon HD 4830 Performance94%
Radeon HD 4830 is 6% slower than ATI Radeon HD 4770
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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
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