GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6670
86%
86%
ATI Radeon HD 4850
116%
116%
ATI Radeon HD 4850 is approximately 30% faster
Technical Specifications
| Specification | AMD Radeon HD 6670 | ATI Radeon HD 4850 |
|---|---|---|
| Graphics ProcessorDifferent | Turks | RV770 |
| CoresDifferent | 480 | 800 |
| TMUsDifferent | 24 | 40 |
| ROPsDifferent | 8 | 16 |
| Memory SizeDifferent | 1024 MB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Bus WidthDifferent | 128 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4850 |
|---|---|---|
| GPU NameDifferent | Turks | RV770 |
| GPU VariantDifferent | Turks XT(215-0803000) | RV770 PRO(215-0669065) |
| ArchitectureDifferent | TeraScale 2 | TeraScale |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 40 nm | 55 nm |
| TransistorsDifferent | 716 million | 956 million |
| DensityDifferent | 6.1M / mm² | 3.7M / mm² |
| Die SizeDifferent | 118 mm² | 256 mm² |
| Chip PackageDifferent | FCBGA-962 | HFCBGA-1492 |
Graphics Card
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4850 |
|---|---|---|
| Release DateDifferent | Apr 19th, 2011 | Jun 25th, 2008 |
| GenerationDifferent | Northern Islands(HD 6600) | Radeon R700(HD 4800) |
| PredecessorDifferent | Evergreen | Radeon R600 |
| SuccessorDifferent | Southern Islands | Evergreen |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 99 USD | 199 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 35 in our database | 127 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4850 |
|---|---|---|
| GPU ClockDifferent | 800 MHz | 625 MHz |
| Memory ClockDifferent | 1000 MHz4 Gbps effective | 993 MHz1986 Mbps effective |
Memory
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4850 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Memory BusDifferent | 128 bit | 256 bit |
| BandwidthDifferent | 64.00 GB/s | 63.55 GB/s |
Render Config
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4850 |
|---|---|---|
| Shading UnitsDifferent | 480 | 800 |
| TMUsDifferent | 24 | 40 |
| ROPsDifferent | 8 | 16 |
| Compute UnitsDifferent | 6 | 10 |
| L1 CacheDifferent | 8 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 256 KB | 256 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4850 |
|---|---|---|
| Pixel RateDifferent | 6.400 GPixel/s | 10.00 GPixel/s |
| Texture RateDifferent | 19.20 GTexel/s | 25.00 GTexel/s |
| FP32 (float)Different | 768.0 GFLOPS | 1,000.0 GFLOPS |
| FP64 (double)Different | N/A | 200.0 GFLOPS (1:5) |
Board Design
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4850 |
|---|---|---|
| Slot Width | Single-slot | Single-slot |
| LengthDifferent | 168 mm6.6 inches | 246 mm9.7 inches |
| TDPDifferent | 66 W | 110 W |
| Suggested PSUDifferent | 250 W | 300 W |
| OutputsDifferent | 1x DVI1x HDMI 1.3a1x VGA | 2x DVI1x S-Video |
| Power ConnectorsDifferent | None | 1x 6-pin |
| Board NumberDifferent | 109-C33437-00 | 109-B50131-00 |
Graphics Features
| Feature | AMD Radeon HD 6670 | ATI Radeon HD 4850 |
|---|---|---|
| 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 4850
Compare ATI Radeon HD 4850 with other GPUs of similar performance
ATI Radeon HD 4850 vs Radeon HD 5750
Radeon HD 5750 Performance109%
Radeon HD 5750 is 9% faster than ATI Radeon HD 4850
Compare Detailed Specs
ATI Radeon HD 4850 vs GeForce GTS 450
GeForce GTS 450 Performance105%
GeForce GTS 450 is 5% faster than ATI Radeon HD 4850
Compare Detailed Specs
ATI Radeon HD 4850 vs GeForce GTS 250
GeForce GTS 250 Performance102%
GeForce GTS 250 is 2% faster than ATI Radeon HD 4850
Compare Detailed Specs
ATI Radeon HD 4850 vs Radeon HD 4850
Radeon HD 4850 Performance100%
Radeon HD 4850 is 0% slower than ATI Radeon HD 4850
Compare Detailed Specs
ATI Radeon HD 4850 vs Radeon HD 4770
Radeon HD 4770 Performance95%
Radeon HD 4770 is 5% slower than ATI Radeon HD 4850
Compare Detailed Specs
ATI Radeon HD 4850 vs Radeon HD 4830
Radeon HD 4830 Performance89%
Radeon HD 4830 is 11% slower than ATI Radeon HD 4850
Compare Detailed Specs