GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6400
157%
157%
AMD Radeon R9 270X
64%
64%
AMD Radeon RX 6400 is approximately 93% faster
Technical Specifications
| Specification | AMD Radeon RX 6400 | AMD Radeon R9 270X |
|---|---|---|
| Graphics ProcessorDifferent | Navi 24 | Curacao |
| CoresDifferent | 768 | 1280 |
| TMUsDifferent | 48 | 80 |
| ROPs | 32 | 32 |
| Memory SizeDifferent | 4 GB | 2 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus WidthDifferent | 64 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon RX 6400 | AMD Radeon R9 270X |
|---|---|---|
| GPU NameDifferent | Navi 24 | Curacao |
| GPU VariantDifferent | Navi 24 XL(215-135000046) | Curacao XT(215-0848004) |
| ArchitectureDifferent | RDNA 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 6 nm | 28 nm |
| TransistorsDifferent | 5,400 million | 2,800 million |
| DensityDifferent | 50.5M / mm² | 13.2M / mm² |
| Die SizeDifferent | 107 mm² | 212 mm² |
| Chip PackageDifferent | N/A | FCBGA-1737 |
Graphics Card
| Feature | AMD Radeon RX 6400 | AMD Radeon R9 270X |
|---|---|---|
| Release DateDifferent | Jan 19th, 2022 | Oct 8th, 2013 |
| AvailabilityDifferent | Apr 20th, 2022 | N/A |
| GenerationDifferent | Navi II(RX 6000) | Volcanic Islands(R9 200) |
| PredecessorDifferent | Navi | Sea Islands |
| SuccessorDifferent | Navi III | Pirate Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 159 USD | 199 USD |
| Bus InterfaceDifferent | PCIe 4.0 x4 | PCIe 3.0 x16 |
| ReviewsDifferent | N/A | 90 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6400 | AMD Radeon R9 270X |
|---|---|---|
| Base ClockDifferent | 1923 MHz | 1000 MHz |
| Game ClockDifferent | 2039 MHz | N/A |
| Boost ClockDifferent | 2321 MHz | 1050 MHz |
| Memory ClockDifferent | 2000 MHz16 Gbps effective | 1400 MHz5.6 Gbps effective |
Memory
| Feature | AMD Radeon RX 6400 | AMD Radeon R9 270X |
|---|---|---|
| Memory SizeDifferent | 4 GB | 2 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory BusDifferent | 64 bit | 256 bit |
| BandwidthDifferent | 128.0 GB/s | 179.2 GB/s |
Render Config
| Feature | AMD Radeon RX 6400 | AMD Radeon R9 270X |
|---|---|---|
| Shading UnitsDifferent | 768 | 1280 |
| TMUsDifferent | 48 | 80 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 12 | 20 |
| RT CoresDifferent | 12 | N/A |
| L0 CacheDifferent | 32 KB per WGP | N/A |
| L1 CacheDifferent | 128 KB per Array | 16 KB (per CU) |
| L2 CacheDifferent | 1024 KB | 512 KB |
| L3 CacheDifferent | 16 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6400 | AMD Radeon R9 270X |
|---|---|---|
| Pixel RateDifferent | 74.27 GPixel/s | 33.60 GPixel/s |
| Texture RateDifferent | 111.4 GTexel/s | 84.00 GTexel/s |
| FP16 (half)Different | 7.130 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 3.565 TFLOPS | 2.688 TFLOPS |
| FP64 (double)Different | 222.8 GFLOPS (1:16) | 168.0 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon RX 6400 | AMD Radeon R9 270X |
|---|---|---|
| Slot WidthDifferent | Single-slot | Dual-slot |
| TDPDifferent | 53 W | 180 W |
| Suggested PSUDifferent | 250 W | 450 W |
| OutputsDifferent | 1x HDMI 2.11x DisplayPort 1.4a | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | None | 2x 6-pin |
| Board NumberDifferent | D634 | C631, 109-C63257-00A_02, 109-C63257-12_02 |
| LengthDifferent | N/A | 241 mm9.5 inches |
| HeightDifferent | N/A | 109 mm4.3 inches |
| WidthDifferent | N/A | 36 mm1.4 inches |
Graphics Features
| Feature | AMD Radeon RX 6400 | AMD Radeon R9 270X |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 2.2 | 2.1 (1.2) |
| VulkanDifferent | 1.3 | 1.2.170 |
| Shader ModelDifferent | 6.8 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
54
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
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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 R9 270X
Compare AMD Radeon R9 270X with other GPUs of similar performance
AMD Radeon R9 270X vs GeForce GTX 960
GeForce GTX 960 Performance119%
GeForce GTX 960 is 19% faster than AMD Radeon R9 270X
Compare Detailed Specs
AMD Radeon R9 270X vs GeForce GTX 670
GeForce GTX 670 Performance116%
GeForce GTX 670 is 16% faster than AMD Radeon R9 270X
Compare Detailed Specs
AMD Radeon R9 270X vs Radeon HD 5970
Radeon HD 5970 Performance105%
Radeon HD 5970 is 5% faster than AMD Radeon R9 270X
Compare Detailed Specs
AMD Radeon R9 270X vs GeForce GTX 1630
GeForce GTX 1630 Performance105%
GeForce GTX 1630 is 5% faster than AMD Radeon R9 270X
Compare Detailed Specs
AMD Radeon R9 270X vs GeForce GTX 1050
GeForce GTX 1050 Performance103%
GeForce GTX 1050 is 3% faster than AMD Radeon R9 270X
Compare Detailed Specs
AMD Radeon R9 270X vs GeForce GTX 760
GeForce GTX 760 Performance102%
GeForce GTX 760 is 2% faster than AMD Radeon R9 270X
Compare Detailed Specs