GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6670
91%
91%
ATI Radeon HD 4770
110%
110%
ATI Radeon HD 4770 is approximately 19% faster
Technical Specifications
| Specification | AMD Radeon HD 6670 | ATI Radeon HD 4770 |
|---|---|---|
| Graphics ProcessorDifferent | Turks | RV740 |
| CoresDifferent | 480 | 640 |
| TMUsDifferent | 24 | 32 |
| ROPsDifferent | 8 | 16 |
| Memory SizeDifferent | 1024 MB | 512 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128 bit | 128 bit |
Graphics Processor
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4770 |
|---|---|---|
| GPU NameDifferent | Turks | RV740 |
| GPU VariantDifferent | Turks XT(215-0803000) | RV740 XT(215-0727019) |
| ArchitectureDifferent | TeraScale 2 | TeraScale |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 40 nm |
| TransistorsDifferent | 716 million | 826 million |
| DensityDifferent | 6.1M / mm² | 6.0M / mm² |
| Die SizeDifferent | 118 mm² | 137 mm² |
| Chip PackageDifferent | FCBGA-962 | N/A |
Graphics Card
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4770 |
|---|---|---|
| Release DateDifferent | Apr 19th, 2011 | Apr 28th, 2009 |
| GenerationDifferent | Northern Islands(HD 6600) | Radeon R700(HD 4700) |
| PredecessorDifferent | Evergreen | Radeon R600 |
| SuccessorDifferent | Southern Islands | Evergreen |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 99 USD | 109 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 35 in our database | 82 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4770 |
|---|---|---|
| GPU ClockDifferent | 800 MHz | 750 MHz |
| Memory ClockDifferent | 1000 MHz4 Gbps effective | 800 MHz3.2 Gbps effective |
Memory
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4770 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 512 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 128 bit | 128 bit |
| BandwidthDifferent | 64.00 GB/s | 51.20 GB/s |
Render Config
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4770 |
|---|---|---|
| Shading UnitsDifferent | 480 | 640 |
| TMUsDifferent | 24 | 32 |
| ROPsDifferent | 8 | 16 |
| Compute UnitsDifferent | 6 | 8 |
| L1 CacheDifferent | 8 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 256 KB | 128 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4770 |
|---|---|---|
| Pixel RateDifferent | 6.400 GPixel/s | 12.00 GPixel/s |
| Texture RateDifferent | 19.20 GTexel/s | 24.00 GTexel/s |
| FP32 (float)Different | 768.0 GFLOPS | 960.0 GFLOPS |
| FP64 (double)Different | N/A | 192.0 GFLOPS (1:5) |
Board Design
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4770 |
|---|---|---|
| Slot WidthDifferent | Single-slot | Dual-slot |
| LengthDifferent | 168 mm6.6 inches | 203 mm8 inches |
| TDPDifferent | 66 W | 80 W |
| Suggested PSU | 250 W | 250 W |
| OutputsDifferent | 1x DVI1x HDMI 1.3a1x VGA | 2x DVI1x S-Video |
| Power ConnectorsDifferent | None | 1x 6-pin |
| Board NumberDifferent | 109-C33437-00 | B743 |
Graphics Features
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4770 |
|---|---|---|
| DirectXDifferent | 11.2 (11_0) | 10.1 (10_1) |
| OpenGLDifferent | 4.4 | 3.3 |
| OpenCLDifferent | 1.2 | 1.1 |
| Vulkan | N/A | N/A |
| Shader ModelDifferent | 5.0 | 4.1 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
45
Detailed Features
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
Compare Detailed Specs
AMD Radeon HD 6670 vs Radeon HD 4850
Radeon HD 4850 Performance116%
Radeon HD 4850 is 16% faster than AMD Radeon HD 6670
Compare Detailed Specs
AMD Radeon HD 6670 vs Radeon HD 4770
Radeon HD 4770 Performance110%
Radeon HD 4770 is 10% faster than AMD Radeon HD 6670
Compare Detailed Specs
AMD Radeon HD 6670 vs Radeon HD 4830
Radeon HD 4830 Performance103%
Radeon HD 4830 is 3% faster than AMD Radeon HD 6670
Compare Detailed Specs
AMD Radeon HD 6670 vs Radeon HD 6670
Radeon HD 6670 Performance100%
Radeon HD 6670 is 0% slower than AMD Radeon HD 6670
Compare Detailed Specs
AMD Radeon HD 6670 vs GeForce 9800 GT
GeForce 9800 GT Performance96%
GeForce 9800 GT is 4% slower than AMD Radeon HD 6670
Compare Detailed Specs
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
Compare Detailed Specs
ATI Radeon HD 4770 vs GeForce GTS 450
GeForce GTS 450 Performance111%
GeForce GTS 450 is 11% faster than ATI Radeon HD 4770
Compare Detailed Specs
ATI Radeon HD 4770 vs GeForce GTS 250
GeForce GTS 250 Performance108%
GeForce GTS 250 is 8% faster than ATI Radeon HD 4770
Compare Detailed Specs
ATI Radeon HD 4770 vs Radeon HD 4850
Radeon HD 4850 Performance105%
Radeon HD 4850 is 5% faster than ATI Radeon HD 4770
Compare Detailed Specs
ATI Radeon HD 4770 vs Radeon HD 4770
Radeon HD 4770 Performance100%
Radeon HD 4770 is 0% slower than ATI Radeon HD 4770
Compare Detailed Specs
ATI Radeon HD 4770 vs Radeon HD 4830
Radeon HD 4830 Performance94%
Radeon HD 4830 is 6% slower than ATI Radeon HD 4770
Compare Detailed Specs