GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6400
556%
556%
AMD Radeon HD 6670
18%
18%
AMD Radeon RX 6400 is approximately 538% faster
Technical Specifications
| Specification | AMD Radeon RX 6400 | AMD Radeon HD 6670 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 24 | Turks |
| CoresDifferent | 768 | 480 |
| TMUsDifferent | 48 | 24 |
| ROPsDifferent | 32 | 8 |
| Memory SizeDifferent | 4 GB | 1024 MB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus WidthDifferent | 64 bit | 128 bit |
Graphics Processor
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 6670 |
|---|---|---|
| GPU NameDifferent | Navi 24 | Turks |
| GPU VariantDifferent | Navi 24 XL(215-135000046) | Turks XT(215-0803000) |
| ArchitectureDifferent | RDNA 2.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 6 nm | 40 nm |
| TransistorsDifferent | 5,400 million | 716 million |
| DensityDifferent | 50.5M / mm² | 6.1M / mm² |
| Die SizeDifferent | 107 mm² | 118 mm² |
| Chip PackageDifferent | N/A | FCBGA-962 |
Graphics Card
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 6670 |
|---|---|---|
| Release DateDifferent | Jan 19th, 2022 | Apr 19th, 2011 |
| AvailabilityDifferent | Apr 20th, 2022 | 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 | 159 USD | 99 USD |
| Bus InterfaceDifferent | PCIe 4.0 x4 | PCIe 2.0 x16 |
| ReviewsDifferent | N/A | 35 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 6670 |
|---|---|---|
| Base ClockDifferent | 1923 MHz | N/A |
| Game ClockDifferent | 2039 MHz | N/A |
| Boost ClockDifferent | 2321 MHz | N/A |
| Memory ClockDifferent | 2000 MHz16 Gbps effective | 1000 MHz4 Gbps effective |
| GPU ClockDifferent | N/A | 800 MHz |
Memory
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 6670 |
|---|---|---|
| Memory SizeDifferent | 4 GB | 1024 MB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory BusDifferent | 64 bit | 128 bit |
| BandwidthDifferent | 128.0 GB/s | 64.00 GB/s |
Render Config
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 6670 |
|---|---|---|
| Shading UnitsDifferent | 768 | 480 |
| TMUsDifferent | 48 | 24 |
| ROPsDifferent | 32 | 8 |
| Compute UnitsDifferent | 12 | 6 |
| RT CoresDifferent | 12 | N/A |
| L0 CacheDifferent | 32 KB per WGP | N/A |
| L1 CacheDifferent | 128 KB per Array | 8 KB (per CU) |
| L2 CacheDifferent | 1024 KB | 256 KB |
| L3 CacheDifferent | 16 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 6670 |
|---|---|---|
| Pixel RateDifferent | 74.27 GPixel/s | 6.400 GPixel/s |
| Texture RateDifferent | 111.4 GTexel/s | 19.20 GTexel/s |
| FP16 (half)Different | 7.130 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 3.565 TFLOPS | 768.0 GFLOPS |
| FP64 (double)Different | 222.8 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 6670 |
|---|---|---|
| Slot Width | Single-slot | Single-slot |
| TDPDifferent | 53 W | 66 W |
| Suggested PSU | 250 W | 250 W |
| OutputsDifferent | 1x HDMI 2.11x DisplayPort 1.4a | 1x DVI1x HDMI 1.3a1x VGA |
| Power Connectors | None | None |
| Board NumberDifferent | D634 | 109-C33437-00 |
| LengthDifferent | N/A | 168 mm6.6 inches |
Graphics Features
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 6670 |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.2 | 1.2 |
| VulkanDifferent | 1.3 | N/A |
| Shader ModelDifferent | 6.8 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
53
Detailed Features
More Comparisons with AMD Radeon RX 6400
Compare AMD Radeon RX 6400 with other GPUs of similar performance
AMD Radeon RX 6400 vs GeForce GTX 970
GeForce GTX 970 Performance119%
GeForce GTX 970 is 19% faster than AMD Radeon RX 6400
Compare Detailed Specs
AMD Radeon RX 6400 vs Radeon R9 290X
Radeon R9 290X Performance119%
Radeon R9 290X is 19% faster than AMD Radeon RX 6400
Compare Detailed Specs
AMD Radeon RX 6400 vs Radeon R9 390
Radeon R9 390 Performance117%
Radeon R9 390 is 17% faster than AMD Radeon RX 6400
Compare Detailed Specs
AMD Radeon RX 6400 vs Radeon RX 570
Radeon RX 570 Performance116%
Radeon RX 570 is 16% faster than AMD Radeon RX 6400
Compare Detailed Specs
AMD Radeon RX 6400 vs Radeon R9 290
Radeon R9 290 Performance110%
Radeon R9 290 is 10% faster than AMD Radeon RX 6400
Compare Detailed Specs
AMD Radeon RX 6400 vs Radeon RX 470
Radeon RX 470 Performance108%
Radeon RX 470 is 8% faster than AMD Radeon RX 6400
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