GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6800 XT
2532%
2532%
AMD Radeon HD 6670
4%
4%
AMD Radeon RX 6800 XT is approximately 2528% faster
Technical Specifications
| Specification | AMD Radeon RX 6800 XT | AMD Radeon HD 6670 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 21 | Turks |
| CoresDifferent | 4608 | 480 |
| TMUsDifferent | 288 | 24 |
| ROPsDifferent | 128 | 8 |
| Memory SizeDifferent | 16 GB | 1024 MB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus WidthDifferent | 256 bit | 128 bit |
Graphics Processor
| Feature | AMD Radeon RX 6800 XT | AMD Radeon HD 6670 |
|---|---|---|
| GPU NameDifferent | Navi 21 | Turks |
| GPU VariantDifferent | Navi 21 XT(215-121000177) | Turks XT(215-0803000) |
| ArchitectureDifferent | RDNA 2.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 7 nm | 40 nm |
| TransistorsDifferent | 26,800 million | 716 million |
| DensityDifferent | 51.5M / mm² | 6.1M / mm² |
| Die SizeDifferent | 520 mm² | 118 mm² |
| Chip PackageDifferent | BGA-2425 | FCBGA-962 |
Graphics Card
| Feature | AMD Radeon RX 6800 XT | AMD Radeon HD 6670 |
|---|---|---|
| Release DateDifferent | Oct 28th, 2020 | Apr 19th, 2011 |
| AvailabilityDifferent | Nov 18th, 2020 | N/A |
| GenerationDifferent | Navi II(RX 6000) | Northern Islands(HD 6600) |
| PredecessorDifferent | Navi | Evergreen |
| SuccessorDifferent | Navi III | Southern Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 649 USD | 99 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 57 in our database | 35 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6800 XT | AMD Radeon HD 6670 |
|---|---|---|
| Base ClockDifferent | 1825 MHz | N/A |
| Game ClockDifferent | 2015 MHz | N/A |
| Boost ClockDifferent | 2250 MHz | N/A |
| Memory ClockDifferent | 2000 MHz16 Gbps effective | 1000 MHz4 Gbps effective |
| GPU ClockDifferent | N/A | 800 MHz |
Memory
| Feature | AMD Radeon RX 6800 XT | AMD Radeon HD 6670 |
|---|---|---|
| Memory SizeDifferent | 16 GB | 1024 MB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory BusDifferent | 256 bit | 128 bit |
| BandwidthDifferent | 512.0 GB/s | 64.00 GB/s |
Render Config
| Feature | AMD Radeon RX 6800 XT | AMD Radeon HD 6670 |
|---|---|---|
| Shading UnitsDifferent | 4608 | 480 |
| TMUsDifferent | 288 | 24 |
| ROPsDifferent | 128 | 8 |
| Compute UnitsDifferent | 72 | 6 |
| RT CoresDifferent | 72 | N/A |
| L0 CacheDifferent | 32 KB per WGP | N/A |
| L1 CacheDifferent | 128 KB per Array | 8 KB (per CU) |
| L2 CacheDifferent | 4 MB | 256 KB |
| L3 CacheDifferent | 128 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6800 XT | AMD Radeon HD 6670 |
|---|---|---|
| Pixel RateDifferent | 288.0 GPixel/s | 6.400 GPixel/s |
| Texture RateDifferent | 648.0 GTexel/s | 19.20 GTexel/s |
| FP16 (half)Different | 41.47 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 20.74 TFLOPS | 768.0 GFLOPS |
| FP64 (double)Different | 1,296.0 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon RX 6800 XT | AMD Radeon HD 6670 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 267 mm10.5 inches | 168 mm6.6 inches |
| HeightDifferent | 120 mm4.7 inches | N/A |
| WidthDifferent | 50 mm2 inches | N/A |
| TDPDifferent | 300 W | 66 W |
| Suggested PSUDifferent | 700 W | 250 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-D41205 | N/A |
| Board NumberDifferent | 109-D412A7-00_03 | 109-C33437-00 |
Graphics Features
| Feature | AMD Radeon RX 6800 XT | AMD Radeon HD 6670 |
|---|---|---|
| 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 XT
Compare AMD Radeon RX 6800 XT with other GPUs of similar performance
AMD Radeon RX 6800 XT vs GeForce RTX 4070 Ti
GeForce RTX 4070 Ti Performance120%
GeForce RTX 4070 Ti is 20% faster than AMD Radeon RX 6800 XT
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AMD Radeon RX 6800 XT vs GeForce RTX 5070
GeForce RTX 5070 Performance119%
GeForce RTX 5070 is 19% faster than AMD Radeon RX 6800 XT
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AMD Radeon RX 6800 XT vs GeForce RTX 3090
GeForce RTX 3090 Performance117%
GeForce RTX 3090 is 17% faster than AMD Radeon RX 6800 XT
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AMD Radeon RX 6800 XT vs GeForce RTX 3080 Ti
GeForce RTX 3080 Ti Performance115%
GeForce RTX 3080 Ti is 15% faster than AMD Radeon RX 6800 XT
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AMD Radeon RX 6800 XT vs GeForce RTX 4070 SUPER
GeForce RTX 4070 SUPER Performance112%
GeForce RTX 4070 SUPER is 12% faster than AMD Radeon RX 6800 XT
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AMD Radeon RX 6800 XT vs Radeon RX 7900 GRE
Radeon RX 7900 GRE Performance110%
Radeon RX 7900 GRE is 10% faster than AMD Radeon RX 6800 XT
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More Comparisons with AMD Radeon HD 6670
Compare AMD Radeon HD 6670 with other GPUs of similar performance
AMD Radeon HD 6670 vs GeForce GTS 250
GeForce GTS 250 Performance119%
GeForce GTS 250 is 19% faster than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs Radeon HD 4850
Radeon HD 4850 Performance116%
Radeon HD 4850 is 16% faster than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs Radeon HD 4770
Radeon HD 4770 Performance110%
Radeon HD 4770 is 10% faster than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs Radeon HD 4830
Radeon HD 4830 Performance103%
Radeon HD 4830 is 3% faster than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs Radeon HD 6670
Radeon HD 6670 Performance100%
Radeon HD 6670 is 0% slower than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs GeForce 9800 GT
GeForce 9800 GT Performance96%
GeForce 9800 GT is 4% slower than AMD Radeon HD 6670
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