GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4770
110%
110%
AMD Radeon HD 6670
91%
91%
ATI Radeon HD 4770 is approximately 19% faster
Technical Specifications
| Specification | ATI Radeon HD 4770 | AMD Radeon HD 6670 |
|---|---|---|
| Graphics ProcessorDifferent | RV740 | Turks |
| CoresDifferent | 640 | 480 |
| TMUsDifferent | 32 | 24 |
| ROPsDifferent | 16 | 8 |
| 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 6670 |
|---|---|---|
| GPU NameDifferent | RV740 | Turks |
| GPU VariantDifferent | RV740 XT(215-0727019) | Turks XT(215-0803000) |
| ArchitectureDifferent | TeraScale | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 40 nm |
| TransistorsDifferent | 826 million | 716 million |
| DensityDifferent | 6.0M / mm² | 6.1M / mm² |
| Die SizeDifferent | 137 mm² | 118 mm² |
| Chip PackageDifferent | N/A | FCBGA-962 |
Graphics Card
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 6670 |
|---|---|---|
| Release DateDifferent | Apr 28th, 2009 | Apr 19th, 2011 |
| GenerationDifferent | Radeon R700(HD 4700) | Northern Islands(HD 6600) |
| PredecessorDifferent | Radeon R600 | Evergreen |
| SuccessorDifferent | Evergreen | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 109 USD | 99 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 82 in our database | 35 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 6670 |
|---|---|---|
| GPU ClockDifferent | 750 MHz | 800 MHz |
| Memory ClockDifferent | 800 MHz3.2 Gbps effective | 1000 MHz4 Gbps effective |
Memory
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 6670 |
|---|---|---|
| Memory SizeDifferent | 512 MB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 128 bit | 128 bit |
| BandwidthDifferent | 51.20 GB/s | 64.00 GB/s |
Render Config
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 6670 |
|---|---|---|
| Shading UnitsDifferent | 640 | 480 |
| TMUsDifferent | 32 | 24 |
| ROPsDifferent | 16 | 8 |
| Compute UnitsDifferent | 8 | 6 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 128 KB | 256 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 6670 |
|---|---|---|
| Pixel RateDifferent | 12.00 GPixel/s | 6.400 GPixel/s |
| Texture RateDifferent | 24.00 GTexel/s | 19.20 GTexel/s |
| FP32 (float)Different | 960.0 GFLOPS | 768.0 GFLOPS |
| FP64 (double)Different | 192.0 GFLOPS (1:5) | N/A |
Board Design
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 6670 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 203 mm8 inches | 168 mm6.6 inches |
| TDPDifferent | 80 W | 66 W |
| Suggested PSU | 250 W | 250 W |
| OutputsDifferent | 2x DVI1x S-Video | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 1x 6-pin | None |
| Board NumberDifferent | B743 | 109-C33437-00 |
Graphics Features
| Feature | ATI Radeon HD 4770 | AMD Radeon HD 6670 |
|---|---|---|
| DirectXDifferent | 10.1 (10_1) | 11.2 (11_0) |
| OpenGLDifferent | 3.3 | 4.4 |
| OpenCLDifferent | 1.1 | 1.2 |
| Vulkan | N/A | N/A |
| Shader ModelDifferent | 4.1 | 5.0 |
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 6670
Compare AMD Radeon HD 6670 with other GPUs of similar performance
AMD Radeon HD 6670 vs GeForce GTS 250
GeForce GTS 250 Performance119%
GeForce GTS 250 is 19% faster than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs Radeon HD 4850
Radeon HD 4850 Performance116%
Radeon HD 4850 is 16% faster than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs Radeon HD 4770
Radeon HD 4770 Performance110%
Radeon HD 4770 is 10% faster than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs Radeon HD 4830
Radeon HD 4830 Performance103%
Radeon HD 4830 is 3% faster than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs Radeon HD 6670
Radeon HD 6670 Performance100%
Radeon HD 6670 is 0% slower than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs GeForce 9800 GT
GeForce 9800 GT Performance96%
GeForce 9800 GT is 4% slower than AMD Radeon HD 6670
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