GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6600 XT
1385%
1385%
AMD Radeon HD 6670
7%
7%
AMD Radeon RX 6600 XT is approximately 1378% faster
Technical Specifications
| Specification | AMD Radeon RX 6600 XT | AMD Radeon HD 6670 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 23 | Turks |
| CoresDifferent | 2048 | 480 |
| TMUsDifferent | 128 | 24 |
| ROPsDifferent | 64 | 8 |
| Memory SizeDifferent | 8 GB | 1024 MB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus Width | 128 bit | 128 bit |
Graphics Processor
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6670 |
|---|---|---|
| GPU NameDifferent | Navi 23 | Turks |
| GPU VariantDifferent | Navi 23 XT(215-130000006) | Turks XT(215-0803000) |
| ArchitectureDifferent | RDNA 2.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 7 nm | 40 nm |
| TransistorsDifferent | 11,060 million | 716 million |
| DensityDifferent | 46.7M / mm² | 6.1M / mm² |
| Die SizeDifferent | 237 mm² | 118 mm² |
| Chip PackageDifferent | BGA-1269 | FCBGA-962 |
Graphics Card
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6670 |
|---|---|---|
| Release DateDifferent | Jul 30th, 2021 | Apr 19th, 2011 |
| AvailabilityDifferent | Aug 10th, 2021 | 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 | 379 USD | 99 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x8 | PCIe 2.0 x16 |
| ReviewsDifferent | 45 in our database | 35 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6670 |
|---|---|---|
| Base ClockDifferent | 1968 MHz | N/A |
| Game ClockDifferent | 2359 MHz | N/A |
| Boost ClockDifferent | 2589 MHz | N/A |
| Memory ClockDifferent | 2000 MHz16 Gbps effective | 1000 MHz4 Gbps effective |
| GPU ClockDifferent | N/A | 800 MHz |
Memory
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6670 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 1024 MB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory Bus | 128 bit | 128 bit |
| BandwidthDifferent | 256.0 GB/s | 64.00 GB/s |
Render Config
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6670 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 480 |
| TMUsDifferent | 128 | 24 |
| ROPsDifferent | 64 | 8 |
| Compute UnitsDifferent | 32 | 6 |
| RT CoresDifferent | 32 | N/A |
| L0 CacheDifferent | 32 KB per WGP | N/A |
| L1 CacheDifferent | 128 KB per Array | 8 KB (per CU) |
| L2 CacheDifferent | 2 MB | 256 KB |
| L3 CacheDifferent | 32 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6670 |
|---|---|---|
| Pixel RateDifferent | 165.7 GPixel/s | 6.400 GPixel/s |
| Texture RateDifferent | 331.4 GTexel/s | 19.20 GTexel/s |
| FP16 (half)Different | 21.21 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 10.60 TFLOPS | 768.0 GFLOPS |
| FP64 (double)Different | 662.8 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6670 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 190 mm7.5 inches | 168 mm6.6 inches |
| HeightDifferent | 110 mm4.3 inches | N/A |
| WidthDifferent | 40 mm1.6 inches | N/A |
| TDPDifferent | 160 W | 66 W |
| Suggested PSUDifferent | 450 W | 250 W |
| OutputsDifferent | 1x HDMI 2.13x DisplayPort 1.4a | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 1x 8-pin | None |
| Board NumberDifferent | D532 | 109-C33437-00 |
Graphics Features
| Feature | AMD Radeon RX 6600 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
56
Detailed Features
More Comparisons with AMD Radeon RX 6600 XT
Compare AMD Radeon RX 6600 XT with other GPUs of similar performance
AMD Radeon RX 6600 XT vs GeForce RTX 2080 SUPER
GeForce RTX 2080 SUPER Performance120%
GeForce RTX 2080 SUPER is 20% faster than AMD Radeon RX 6600 XT
Compare Detailed Specs
AMD Radeon RX 6600 XT vs Radeon RX 7600 XT
Radeon RX 7600 XT Performance119%
Radeon RX 7600 XT is 19% faster than AMD Radeon RX 6600 XT
Compare Detailed Specs
AMD Radeon RX 6600 XT vs GeForce RTX 4060
GeForce RTX 4060 Performance119%
GeForce RTX 4060 is 19% faster than AMD Radeon RX 6600 XT
Compare Detailed Specs
AMD Radeon RX 6600 XT vs Arc B580
Arc B580 Performance119%
Arc B580 is 19% faster than AMD Radeon RX 6600 XT
Compare Detailed Specs
AMD Radeon RX 6600 XT vs GeForce RTX 5050
GeForce RTX 5050 Performance115%
GeForce RTX 5050 is 15% faster than AMD Radeon RX 6600 XT
Compare Detailed Specs
AMD Radeon RX 6600 XT vs GeForce RTX 2080
GeForce RTX 2080 Performance115%
GeForce RTX 2080 is 15% faster than AMD Radeon RX 6600 XT
Compare Detailed Specs
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
Compare Detailed Specs
AMD Radeon HD 6670 vs Radeon HD 4850
Radeon HD 4850 Performance116%
Radeon HD 4850 is 16% faster than AMD Radeon HD 6670
Compare Detailed Specs
AMD Radeon HD 6670 vs Radeon HD 4770
Radeon HD 4770 Performance110%
Radeon HD 4770 is 10% faster than AMD Radeon HD 6670
Compare Detailed Specs
AMD Radeon HD 6670 vs Radeon HD 4830
Radeon HD 4830 Performance103%
Radeon HD 4830 is 3% faster than AMD Radeon HD 6670
Compare Detailed Specs
AMD Radeon HD 6670 vs Radeon HD 6670
Radeon HD 6670 Performance100%
Radeon HD 6670 is 0% slower than AMD Radeon HD 6670
Compare Detailed Specs
AMD Radeon HD 6670 vs GeForce 9800 GT
GeForce 9800 GT Performance96%
GeForce 9800 GT is 4% slower than AMD Radeon HD 6670
Compare Detailed Specs