GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6670
285%
285%
AMD Radeon HD 6450
35%
35%
AMD Radeon HD 6670 is approximately 250% faster
Technical Specifications
| Specification | AMD Radeon HD 6670 | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | Turks | Caicos |
| CoresDifferent | 480 | 160 |
| TMUsDifferent | 24 | 8 |
| ROPsDifferent | 8 | 4 |
| Memory SizeDifferent | 1024 MB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Bus WidthDifferent | 128 bit | 64 bit |
Graphics Processor
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | Turks | Caicos |
| GPU VariantDifferent | Turks XT(215-0803000) | Caicos PRO |
| Architecture | TeraScale 2 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 40 nm |
| TransistorsDifferent | 716 million | 370 million |
| DensityDifferent | 6.1M / mm² | 5.5M / mm² |
| Die SizeDifferent | 118 mm² | 67 mm² |
| Chip PackageDifferent | FCBGA-962 | FCBGA-631 |
Graphics Card
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Apr 19th, 2011 | Apr 7th, 2011 |
| GenerationDifferent | Northern Islands(HD 6600) | Northern Islands(HD 6400) |
| Predecessor | Evergreen | Evergreen |
| Successor | Southern Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 99 USD | 55 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 35 in our database | 14 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6450 |
|---|---|---|
| GPU ClockDifferent | 800 MHz | 625 MHz |
| Memory ClockDifferent | 1000 MHz4 Gbps effective | 500 MHz1000 Mbps effective |
Memory
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Memory BusDifferent | 128 bit | 64 bit |
| BandwidthDifferent | 64.00 GB/s | 8.000 GB/s |
Render Config
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 480 | 160 |
| TMUsDifferent | 24 | 8 |
| ROPsDifferent | 8 | 4 |
| Compute UnitsDifferent | 6 | 2 |
| L1 Cache | 8 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 256 KB | 128 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 6.400 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 19.20 GTexel/s | 5.000 GTexel/s |
| FP32 (float)Different | 768.0 GFLOPS | 200.0 GFLOPS |
Board Design
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6450 |
|---|---|---|
| Slot Width | Single-slot | Single-slot |
| Length | 168 mm6.6 inches | 168 mm6.6 inches |
| TDPDifferent | 66 W | 18 W |
| Suggested PSUDifferent | 250 W | 200 W |
| Outputs | 1x DVI1x HDMI 1.3a1x VGA | 1x DVI1x HDMI 1.3a1x VGA |
| Power Connectors | None | None |
| Board NumberDifferent | 109-C33437-00 | 109-C26037-00A |
Graphics Features
| Feature | AMD Radeon HD 6670 | AMD Radeon HD 6450 |
|---|---|---|
| DirectX | 11.2 (11_0) | 11.2 (11_0) |
| OpenGL | 4.4 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | N/A | N/A |
| Shader Model | 5.0 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
44
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 AMD Radeon HD 6450
Compare AMD Radeon HD 6450 with other GPUs of similar performance
AMD Radeon HD 6450 vs GeForce GT 520
GeForce GT 520 Performance106%
GeForce GT 520 is 6% faster than AMD Radeon HD 6450
Compare Detailed Specs
AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
Compare Detailed Specs
AMD Radeon HD 6450 vs Radeon HD 5450
Radeon HD 5450 Performance85%
Radeon HD 5450 is 15% slower than AMD Radeon HD 6450
Compare Detailed Specs
AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
Compare Detailed Specs
AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
Compare Detailed Specs