GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 5870
726%
726%
AMD Radeon HD 6450
14%
14%
ATI Radeon HD 5870 is approximately 712% faster
Technical Specifications
| Specification | ATI Radeon HD 5870 | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | Cypress | Caicos |
| CoresDifferent | 1600 | 160 |
| TMUsDifferent | 80 | 8 |
| ROPsDifferent | 32 | 4 |
| Memory SizeDifferent | 1024 MB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Bus WidthDifferent | 256 bit | 64 bit |
Graphics Processor
| Feature | ATI Radeon HD 5870 | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | Cypress | Caicos |
| GPU VariantDifferent | Cypress XT(215-0735033) | Caicos PRO |
| Architecture | TeraScale 2 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 40 nm |
| TransistorsDifferent | 2,154 million | 370 million |
| DensityDifferent | 6.4M / mm² | 5.5M / mm² |
| Die SizeDifferent | 334 mm² | 67 mm² |
| Chip PackageDifferent | N/A | FCBGA-631 |
Graphics Card
| Feature | ATI Radeon HD 5870 | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Sep 23rd, 2009 | Apr 7th, 2011 |
| GenerationDifferent | Evergreen(HD 5800) | Northern Islands(HD 6400) |
| PredecessorDifferent | Radeon R700 | Evergreen |
| SuccessorDifferent | Northern Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 399 USD | 55 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 171 in our database | 14 in our database |
Clock Speeds
| Feature | ATI Radeon HD 5870 | AMD Radeon HD 6450 |
|---|---|---|
| GPU ClockDifferent | 850 MHz | 625 MHz |
| Memory ClockDifferent | 1200 MHz4.8 Gbps effective | 500 MHz1000 Mbps effective |
Memory
| Feature | ATI Radeon HD 5870 | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Memory BusDifferent | 256 bit | 64 bit |
| BandwidthDifferent | 153.6 GB/s | 8.000 GB/s |
Render Config
| Feature | ATI Radeon HD 5870 | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 1600 | 160 |
| TMUsDifferent | 80 | 8 |
| ROPsDifferent | 32 | 4 |
| Compute UnitsDifferent | 20 | 2 |
| L1 Cache | 8 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 512 KB | 128 KB |
Theoretical Performance
| Feature | ATI Radeon HD 5870 | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 27.20 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 68.00 GTexel/s | 5.000 GTexel/s |
| FP32 (float)Different | 2.720 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 544.0 GFLOPS (1:5) | N/A |
Board Design
| Feature | ATI Radeon HD 5870 | AMD Radeon HD 6450 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 280 mm11 inches | 168 mm6.6 inches |
| HeightDifferent | 111 mm4.4 inches | N/A |
| WidthDifferent | 37 mm1.5 inches | N/A |
| TDPDifferent | 188 W | 18 W |
| Suggested PSUDifferent | 450 W | 200 W |
| OutputsDifferent | 2x DVI1x HDMI 1.3a1x DisplayPort 1.1 | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 2x 6-pin | None |
| Board NumberDifferent | 109-C00137-00A, 109-C00137-00C | 109-C26037-00A |
Graphics Features
| Feature | ATI Radeon HD 5870 | 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
47
Detailed Features
More Comparisons with ATI Radeon HD 5870
Compare ATI Radeon HD 5870 with other GPUs of similar performance
ATI Radeon HD 5870 vs Radeon HD 6970
Radeon HD 6970 Performance119%
Radeon HD 6970 is 19% faster than ATI Radeon HD 5870
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ATI Radeon HD 5870 vs GeForce GTX 480
GeForce GTX 480 Performance114%
GeForce GTX 480 is 14% faster than ATI Radeon HD 5870
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ATI Radeon HD 5870 vs Radeon HD 7850
Radeon HD 7850 Performance112%
Radeon HD 7850 is 12% faster than ATI Radeon HD 5870
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ATI Radeon HD 5870 vs GeForce GTX 295
GeForce GTX 295 Performance110%
GeForce GTX 295 is 10% faster than ATI Radeon HD 5870
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ATI Radeon HD 5870 vs Radeon HD 6950
Radeon HD 6950 Performance106%
Radeon HD 6950 is 6% faster than ATI Radeon HD 5870
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ATI Radeon HD 5870 vs GeForce GTX 750 Ti
GeForce GTX 750 Ti Performance106%
GeForce GTX 750 Ti is 6% faster than ATI Radeon HD 5870
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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
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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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