GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6450
18%
18%
AMD Radeon HD 6850
565%
565%
AMD Radeon HD 6850 is approximately 547% faster
Technical Specifications
| Specification | AMD Radeon HD 6450 | AMD Radeon HD 6850 |
|---|---|---|
| Graphics ProcessorDifferent | Caicos | Barts |
| CoresDifferent | 160 | 960 |
| TMUsDifferent | 8 | 48 |
| ROPsDifferent | 4 | 32 |
| Memory SizeDifferent | 512 MB | 1024 MB |
| Memory TypeDifferent | GDDR3 | GDDR5 |
| Bus WidthDifferent | 64 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 6450 | AMD Radeon HD 6850 |
|---|---|---|
| GPU NameDifferent | Caicos | Barts |
| GPU VariantDifferent | Caicos PRO | Barts PRO(215-0798006) |
| Architecture | TeraScale 2 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 40 nm |
| TransistorsDifferent | 370 million | 1,700 million |
| DensityDifferent | 5.5M / mm² | 6.7M / mm² |
| Die SizeDifferent | 67 mm² | 255 mm² |
| Chip PackageDifferent | FCBGA-631 | HFCBGA-1737 |
Graphics Card
| Feature | AMD Radeon HD 6450 | AMD Radeon HD 6850 |
|---|---|---|
| Release DateDifferent | Apr 7th, 2011 | Oct 21st, 2010 |
| GenerationDifferent | Northern Islands(HD 6400) | Northern Islands(HD 6800) |
| Predecessor | Evergreen | Evergreen |
| Successor | Southern Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 55 USD | 179 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 14 in our database | 105 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6450 | AMD Radeon HD 6850 |
|---|---|---|
| GPU ClockDifferent | 625 MHz | 775 MHz |
| Memory ClockDifferent | 500 MHz1000 Mbps effective | 1000 MHz4 Gbps effective |
Memory
| Feature | AMD Radeon HD 6450 | AMD Radeon HD 6850 |
|---|---|---|
| Memory SizeDifferent | 512 MB | 1024 MB |
| Memory TypeDifferent | GDDR3 | GDDR5 |
| Memory BusDifferent | 64 bit | 256 bit |
| BandwidthDifferent | 8.000 GB/s | 128.0 GB/s |
Render Config
| Feature | AMD Radeon HD 6450 | AMD Radeon HD 6850 |
|---|---|---|
| Shading UnitsDifferent | 160 | 960 |
| TMUsDifferent | 8 | 48 |
| ROPsDifferent | 4 | 32 |
| Compute UnitsDifferent | 2 | 12 |
| L1 Cache | 8 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 128 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6450 | AMD Radeon HD 6850 |
|---|---|---|
| Pixel RateDifferent | 2.500 GPixel/s | 24.80 GPixel/s |
| Texture RateDifferent | 5.000 GTexel/s | 37.20 GTexel/s |
| FP32 (float)Different | 200.0 GFLOPS | 1,488.0 GFLOPS |
Board Design
| Feature | AMD Radeon HD 6450 | AMD Radeon HD 6850 |
|---|---|---|
| Slot WidthDifferent | Single-slot | Dual-slot |
| LengthDifferent | 168 mm6.6 inches | 198 mm7.8 inches |
| TDPDifferent | 18 W | 127 W |
| Suggested PSUDifferent | 200 W | 300 W |
| OutputsDifferent | 1x DVI1x HDMI 1.3a1x VGA | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 |
| Power ConnectorsDifferent | None | 1x 6-pin |
| Board NumberDifferent | 109-C26037-00A | 109-C22301-00B |
Graphics Features
| Feature | AMD Radeon HD 6450 | AMD Radeon HD 6850 |
|---|---|---|
| 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 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
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AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 5450
Radeon HD 5450 Performance85%
Radeon HD 5450 is 15% slower than AMD Radeon HD 6450
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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
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More Comparisons with AMD Radeon HD 6850
Compare AMD Radeon HD 6850 with other GPUs of similar performance
AMD Radeon HD 6850 vs GeForce GTX 470
GeForce GTX 470 Performance116%
GeForce GTX 470 is 16% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs GeForce GTX 650 Ti
GeForce GTX 650 Ti Performance111%
GeForce GTX 650 Ti is 11% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs Radeon HD 5850
Radeon HD 5850 Performance109%
Radeon HD 5850 is 9% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs GeForce GTX 285
GeForce GTX 285 Performance102%
GeForce GTX 285 is 2% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs Radeon HD 6850
Radeon HD 6850 Performance100%
Radeon HD 6850 is 0% slower than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs GeForce GTX 280
GeForce GTX 280 Performance94%
GeForce GTX 280 is 6% slower than AMD Radeon HD 6850
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