GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 280X
AMD Radeon HD 6450
Technical Specifications
| Specification | AMD Radeon R9 280X | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | Tahiti | Caicos |
| CoresDifferent | 2048 | 160 |
| TMUsDifferent | 128 | 8 |
| ROPsDifferent | 32 | 4 |
| Memory SizeDifferent | 3 GB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Bus WidthDifferent | 384 bit | 64 bit |
Graphics Processor
| Feature | AMD Radeon R9 280X | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | Tahiti | Caicos |
| GPU VariantDifferent | Tahiti XTL(215-0821065) | Caicos PRO |
| ArchitectureDifferent | GCN 1.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 4,313 million | 370 million |
| DensityDifferent | 12.3M / mm² | 5.5M / mm² |
| Die SizeDifferent | 352 mm² | 67 mm² |
| Chip PackageDifferent | N/A | FCBGA-631 |
Graphics Card
| Feature | AMD Radeon R9 280X | 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 | 299 USD | 55 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 105 in our database | 14 in our database |
Clock Speeds
| Feature | AMD Radeon R9 280X | AMD Radeon HD 6450 |
|---|---|---|
| Base ClockDifferent | 850 MHz | N/A |
| Boost ClockDifferent | 1000 MHz | N/A |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 500 MHz1000 Mbps effective |
| GPU ClockDifferent | N/A | 625 MHz |
Memory
| Feature | AMD Radeon R9 280X | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 3 GB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Memory BusDifferent | 384 bit | 64 bit |
| BandwidthDifferent | 288.0 GB/s | 8.000 GB/s |
Render Config
| Feature | AMD Radeon R9 280X | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 160 |
| TMUsDifferent | 128 | 8 |
| ROPsDifferent | 32 | 4 |
| Compute UnitsDifferent | 32 | 2 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 768 KB | 128 KB |
Theoretical Performance
| Feature | AMD Radeon R9 280X | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 32.00 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 128.0 GTexel/s | 5.000 GTexel/s |
| FP32 (float)Different | 4.096 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 1,024.0 GFLOPS (1:4) | N/A |
Board Design
| Feature | AMD Radeon R9 280X | AMD Radeon HD 6450 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 275 mm10.8 inches | 168 mm6.6 inches |
| HeightDifferent | 109 mm4.3 inches | N/A |
| WidthDifferent | 36 mm1.4 inches | N/A |
| TDPDifferent | 250 W | 18 W |
| Suggested PSUDifferent | 600 W | 200 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | None |
| Board NumberDifferent | C386 | 109-C26037-00A |
Graphics Features
| Feature | AMD Radeon R9 280X | 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
More Comparisons with AMD Radeon R9 280X
Compare AMD Radeon R9 280X with other GPUs of similar performance
AMD Radeon R9 280X vs GeForce GTX 1650
GeForce GTX 1650 is 16% faster than AMD Radeon R9 280X
AMD Radeon R9 280X vs Radeon RX 6400
Radeon RX 6400 is 14% faster than AMD Radeon R9 280X
AMD Radeon R9 280X vs Arc A380
Arc A380 is 13% faster than AMD Radeon R9 280X
AMD Radeon R9 280X vs GeForce GTX 780
GeForce GTX 780 is 12% faster than AMD Radeon R9 280X
AMD Radeon R9 280X vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition is 2% faster than AMD Radeon R9 280X
AMD Radeon R9 280X vs GeForce GTX 590
GeForce GTX 590 is 1% faster than AMD Radeon R9 280X
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 is 6% faster than AMD Radeon HD 6450
AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
AMD Radeon HD 6450 vs Radeon HD 5450
Radeon HD 5450 is 15% slower than AMD Radeon HD 6450
AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450

