GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 390X
2028%
2028%
AMD Radeon HD 6450
5%
5%
AMD Radeon R9 390X is approximately 2023% faster
Technical Specifications
| Specification | AMD Radeon R9 390X | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | Grenada | Caicos |
| CoresDifferent | 2816 | 160 |
| TMUsDifferent | 176 | 8 |
| ROPsDifferent | 64 | 4 |
| Memory SizeDifferent | 8 GB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Bus WidthDifferent | 512 bit | 64 bit |
Graphics Processor
| Feature | AMD Radeon R9 390X | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | Grenada | Caicos |
| GPU VariantDifferent | Grenada XT(215-0880004) | Caicos PRO |
| ArchitectureDifferent | GCN 2.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 6,200 million | 370 million |
| DensityDifferent | 14.2M / mm² | 5.5M / mm² |
| Die SizeDifferent | 438 mm² | 67 mm² |
| Chip PackageDifferent | N/A | FCBGA-631 |
Graphics Card
| Feature | AMD Radeon R9 390X | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Jun 18th, 2015 | Apr 7th, 2011 |
| GenerationDifferent | Pirate Islands(R9 300) | Northern Islands(HD 6400) |
| PredecessorDifferent | Volcanic Islands | Evergreen |
| SuccessorDifferent | Arctic Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 429 USD | 55 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 60 in our database | 14 in our database |
Clock Speeds
| Feature | AMD Radeon R9 390X | AMD Radeon HD 6450 |
|---|---|---|
| GPU ClockDifferent | 1050 MHz | 625 MHz |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 500 MHz1000 Mbps effective |
Memory
| Feature | AMD Radeon R9 390X | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Memory BusDifferent | 512 bit | 64 bit |
| BandwidthDifferent | 384.0 GB/s | 8.000 GB/s |
Render Config
| Feature | AMD Radeon R9 390X | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 2816 | 160 |
| TMUsDifferent | 176 | 8 |
| ROPsDifferent | 64 | 4 |
| Compute UnitsDifferent | 44 | 2 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 1024 KB | 128 KB |
Theoretical Performance
| Feature | AMD Radeon R9 390X | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 67.20 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 184.8 GTexel/s | 5.000 GTexel/s |
| FP32 (float)Different | 5.914 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 739.2 GFLOPS (1:8) | N/A |
Board Design
| Feature | AMD Radeon R9 390X | 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 | 275 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 | 109-C67157-00_02, C679-37 | 109-C26037-00A |
Graphics Features
| Feature | AMD Radeon R9 390X | AMD Radeon HD 6450 |
|---|---|---|
| DirectXDifferent | 12 (12_0) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.1 | 1.2 |
| VulkanDifferent | 1.2.170 | N/A |
| Shader ModelDifferent | 6.5 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
47
Detailed Features
More Comparisons with AMD Radeon R9 390X
Compare AMD Radeon R9 390X with other GPUs of similar performance
AMD Radeon R9 390X vs Radeon R9 FURY X
Radeon R9 FURY X Performance120%
Radeon R9 FURY X is 20% faster than AMD Radeon R9 390X
Compare Detailed Specs
AMD Radeon R9 390X vs GeForce GTX 1660
GeForce GTX 1660 Performance119%
GeForce GTX 1660 is 19% faster than AMD Radeon R9 390X
Compare Detailed Specs
AMD Radeon R9 390X vs Radeon RX 590
Radeon RX 590 Performance112%
Radeon RX 590 is 12% faster than AMD Radeon R9 390X
Compare Detailed Specs
AMD Radeon R9 390X vs Radeon R9 FURY
Radeon R9 FURY Performance110%
Radeon R9 FURY is 10% faster than AMD Radeon R9 390X
Compare Detailed Specs
AMD Radeon R9 390X vs GeForce GTX 980
GeForce GTX 980 Performance108%
GeForce GTX 980 is 8% faster than AMD Radeon R9 390X
Compare Detailed Specs
AMD Radeon R9 390X vs GeForce GTX 1650 SUPER
GeForce GTX 1650 SUPER Performance107%
GeForce GTX 1650 SUPER is 7% faster than AMD Radeon R9 390X
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