GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 390
2028%
2028%
AMD Radeon HD 6450
5%
5%
AMD Radeon R9 390 is approximately 2023% faster
Technical Specifications
| Specification | AMD Radeon R9 390 | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | Grenada | Caicos |
| CoresDifferent | 2560 | 160 |
| TMUsDifferent | 160 | 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 390 | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | Grenada | Caicos |
| GPU VariantDifferent | Grenada PRO(215-0880030) | 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 390 | 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 | 329 USD | 55 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 35 in our database | 14 in our database |
Clock Speeds
| Feature | AMD Radeon R9 390 | AMD Radeon HD 6450 |
|---|---|---|
| GPU ClockDifferent | 1000 MHz | 625 MHz |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 500 MHz1000 Mbps effective |
Memory
| Feature | AMD Radeon R9 390 | 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 390 | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 2560 | 160 |
| TMUsDifferent | 160 | 8 |
| ROPsDifferent | 64 | 4 |
| Compute UnitsDifferent | 40 | 2 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 1024 KB | 128 KB |
Theoretical Performance
| Feature | AMD Radeon R9 390 | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 64.00 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 160.0 GTexel/s | 5.000 GTexel/s |
| FP32 (float)Different | 5.120 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 640.0 GFLOPS (1:8) | N/A |
Board Design
| Feature | AMD Radeon R9 390 | 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 | 109-C26037-00A |
Graphics Features
| Feature | AMD Radeon R9 390 | 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 390
Compare AMD Radeon R9 390 with other GPUs of similar performance
AMD Radeon R9 390 vs Radeon R9 FURY
Radeon R9 FURY Performance120%
Radeon R9 FURY is 20% faster than AMD Radeon R9 390
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AMD Radeon R9 390 vs GeForce GTX 980
GeForce GTX 980 Performance118%
GeForce GTX 980 is 18% faster than AMD Radeon R9 390
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AMD Radeon R9 390 vs GeForce GTX 1650 SUPER
GeForce GTX 1650 SUPER Performance117%
GeForce GTX 1650 SUPER is 17% faster than AMD Radeon R9 390
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AMD Radeon R9 390 vs Radeon RX 6500 XT
Radeon RX 6500 XT Performance116%
Radeon RX 6500 XT is 16% faster than AMD Radeon R9 390
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AMD Radeon R9 390 vs Radeon RX 5500 XT
Radeon RX 5500 XT Performance115%
Radeon RX 5500 XT is 15% faster than AMD Radeon R9 390
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AMD Radeon R9 390 vs Radeon RX 580
Radeon RX 580 Performance114%
Radeon RX 580 is 14% faster than AMD Radeon R9 390
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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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