GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6800
7208%
7208%
AMD Radeon HD 6450
2%
2%
AMD Radeon RX 6800 is approximately 7206% faster
Technical Specifications
| Specification | AMD Radeon RX 6800 | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 21 | Caicos |
| CoresDifferent | 3840 | 160 |
| TMUsDifferent | 240 | 8 |
| ROPsDifferent | 96 | 4 |
| Memory SizeDifferent | 16 GB | 512 MB |
| Memory TypeDifferent | GDDR6 | GDDR3 |
| Bus WidthDifferent | 256 bit | 64 bit |
Graphics Processor
| Feature | AMD Radeon RX 6800 | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | Navi 21 | Caicos |
| GPU VariantDifferent | Navi 21 XL(215-121000187) | Caicos PRO |
| ArchitectureDifferent | RDNA 2.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 7 nm | 40 nm |
| TransistorsDifferent | 26,800 million | 370 million |
| DensityDifferent | 51.5M / mm² | 5.5M / mm² |
| Die SizeDifferent | 520 mm² | 67 mm² |
| Chip PackageDifferent | BGA-2425 | FCBGA-631 |
Graphics Card
| Feature | AMD Radeon RX 6800 | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Oct 28th, 2020 | Apr 7th, 2011 |
| AvailabilityDifferent | Nov 18th, 2020 | N/A |
| GenerationDifferent | Navi II(RX 6000) | Northern Islands(HD 6400) |
| PredecessorDifferent | Navi | Evergreen |
| SuccessorDifferent | Navi III | Southern Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 579 USD | 55 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 22 in our database | 14 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6800 | AMD Radeon HD 6450 |
|---|---|---|
| Base ClockDifferent | 1700 MHz | N/A |
| Game ClockDifferent | 1815 MHz | N/A |
| Boost ClockDifferent | 2105 MHz | N/A |
| Memory ClockDifferent | 2000 MHz16 Gbps effective | 500 MHz1000 Mbps effective |
| GPU ClockDifferent | N/A | 625 MHz |
Memory
| Feature | AMD Radeon RX 6800 | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 16 GB | 512 MB |
| Memory TypeDifferent | GDDR6 | GDDR3 |
| Memory BusDifferent | 256 bit | 64 bit |
| BandwidthDifferent | 512.0 GB/s | 8.000 GB/s |
Render Config
| Feature | AMD Radeon RX 6800 | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 3840 | 160 |
| TMUsDifferent | 240 | 8 |
| ROPsDifferent | 96 | 4 |
| Compute UnitsDifferent | 60 | 2 |
| RT CoresDifferent | 60 | N/A |
| L0 CacheDifferent | 32 KB per WGP | N/A |
| L1 CacheDifferent | 128 KB per Array | 8 KB (per CU) |
| L2 CacheDifferent | 4 MB | 128 KB |
| L3 CacheDifferent | 128 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6800 | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 202.1 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 505.2 GTexel/s | 5.000 GTexel/s |
| FP16 (half)Different | 32.33 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 16.17 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 1,010.4 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon RX 6800 | AMD Radeon HD 6450 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 267 mm10.5 inches | 168 mm6.6 inches |
| HeightDifferent | 120 mm4.7 inches | N/A |
| WidthDifferent | 40 mm1.6 inches | N/A |
| TDPDifferent | 250 W | 18 W |
| Suggested PSUDifferent | 600 W | 200 W |
| OutputsDifferent | 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 2x 8-pin | None |
| Part NumberDifferent | 102-D41209 | N/A |
| Board NumberDifferent | 109-D412A7-00_03 | 109-C26037-00A |
Graphics Features
| Feature | AMD Radeon RX 6800 | AMD Radeon HD 6450 |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.1 | 1.2 |
| VulkanDifferent | 1.3 | N/A |
| Shader ModelDifferent | 6.8 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
57
Detailed Features
More Comparisons with AMD Radeon RX 6800
Compare AMD Radeon RX 6800 with other GPUs of similar performance
AMD Radeon RX 6800 vs Radeon RX 6800 XT
Radeon RX 6800 XT Performance118%
Radeon RX 6800 XT is 18% faster than AMD Radeon RX 6800
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AMD Radeon RX 6800 vs GeForce RTX 5060 Ti 16 GB
GeForce RTX 5060 Ti 16 GB Performance109%
GeForce RTX 5060 Ti 16 GB is 9% faster than AMD Radeon RX 6800
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AMD Radeon RX 6800 vs GeForce RTX 5060 Ti 8 GB
GeForce RTX 5060 Ti 8 GB Performance109%
GeForce RTX 5060 Ti 8 GB is 9% faster than AMD Radeon RX 6800
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AMD Radeon RX 6800 vs Radeon RX 7700 XT
Radeon RX 7700 XT Performance107%
Radeon RX 7700 XT is 7% faster than AMD Radeon RX 6800
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AMD Radeon RX 6800 vs Radeon RX 9060 XT 16 GB
Radeon RX 9060 XT 16 GB Performance104%
Radeon RX 9060 XT 16 GB is 4% faster than AMD Radeon RX 6800
Compare Detailed Specs
AMD Radeon RX 6800 vs GeForce RTX 3070 Ti
GeForce RTX 3070 Ti Performance103%
GeForce RTX 3070 Ti is 3% faster than AMD Radeon RX 6800
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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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