GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 270X
1006%
1006%
AMD Radeon HD 6450
10%
10%
AMD Radeon R9 270X is approximately 996% faster
Technical Specifications
| Specification | AMD Radeon R9 270X | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | Curacao | Caicos |
| CoresDifferent | 1280 | 160 |
| TMUsDifferent | 80 | 8 |
| ROPsDifferent | 32 | 4 |
| Memory SizeDifferent | 2 GB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Bus WidthDifferent | 256 bit | 64 bit |
Graphics Processor
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | Curacao | Caicos |
| GPU VariantDifferent | Curacao XT(215-0848004) | Caicos PRO |
| ArchitectureDifferent | GCN 1.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 2,800 million | 370 million |
| DensityDifferent | 13.2M / mm² | 5.5M / mm² |
| Die SizeDifferent | 212 mm² | 67 mm² |
| Chip PackageDifferent | FCBGA-1737 | FCBGA-631 |
Graphics Card
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Oct 8th, 2013 | Apr 7th, 2011 |
| GenerationDifferent | Volcanic Islands(R9 200) | Northern Islands(HD 6400) |
| PredecessorDifferent | Sea Islands | Evergreen |
| SuccessorDifferent | Pirate Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 199 USD | 55 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 90 in our database | 14 in our database |
Clock Speeds
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6450 |
|---|---|---|
| Base ClockDifferent | 1000 MHz | N/A |
| Boost ClockDifferent | 1050 MHz | N/A |
| Memory ClockDifferent | 1400 MHz5.6 Gbps effective | 500 MHz1000 Mbps effective |
| GPU ClockDifferent | N/A | 625 MHz |
Memory
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Memory BusDifferent | 256 bit | 64 bit |
| BandwidthDifferent | 179.2 GB/s | 8.000 GB/s |
Render Config
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 1280 | 160 |
| TMUsDifferent | 80 | 8 |
| ROPsDifferent | 32 | 4 |
| Compute UnitsDifferent | 20 | 2 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 512 KB | 128 KB |
Theoretical Performance
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 33.60 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 84.00 GTexel/s | 5.000 GTexel/s |
| FP32 (float)Different | 2.688 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 168.0 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6450 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 241 mm9.5 inches | 168 mm6.6 inches |
| HeightDifferent | 109 mm4.3 inches | N/A |
| WidthDifferent | 36 mm1.4 inches | N/A |
| TDPDifferent | 180 W | 18 W |
| Suggested PSUDifferent | 450 W | 200 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 2x 6-pin | None |
| Board NumberDifferent | C631, 109-C63257-00A_02, 109-C63257-12_02 | 109-C26037-00A |
Graphics Features
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6450 |
|---|---|---|
| DirectXDifferent | 12 (11_1) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.1 (1.2) | 1.2 |
| VulkanDifferent | 1.2.170 | N/A |
| Shader ModelDifferent | 6.5 (5.1) | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
49
Detailed Features
More Comparisons with AMD Radeon R9 270X
Compare AMD Radeon R9 270X with other GPUs of similar performance
AMD Radeon R9 270X vs GeForce GTX 960
GeForce GTX 960 Performance119%
GeForce GTX 960 is 19% faster than AMD Radeon R9 270X
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AMD Radeon R9 270X vs GeForce GTX 670
GeForce GTX 670 Performance116%
GeForce GTX 670 is 16% faster than AMD Radeon R9 270X
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AMD Radeon R9 270X vs Radeon HD 5970
Radeon HD 5970 Performance105%
Radeon HD 5970 is 5% faster than AMD Radeon R9 270X
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AMD Radeon R9 270X vs GeForce GTX 1630
GeForce GTX 1630 Performance105%
GeForce GTX 1630 is 5% faster than AMD Radeon R9 270X
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AMD Radeon R9 270X vs GeForce GTX 1050
GeForce GTX 1050 Performance103%
GeForce GTX 1050 is 3% faster than AMD Radeon R9 270X
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AMD Radeon R9 270X vs GeForce GTX 760
GeForce GTX 760 Performance102%
GeForce GTX 760 is 2% faster than AMD Radeon R9 270X
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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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