GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 280X
88%
88%
AMD Radeon RX 6400
114%
114%
AMD Radeon RX 6400 is approximately 26% faster
Technical Specifications
| Specification | AMD Radeon R9 280X | AMD Radeon RX 6400 |
|---|---|---|
| Graphics ProcessorDifferent | Tahiti | Navi 24 |
| CoresDifferent | 2048 | 768 |
| TMUsDifferent | 128 | 48 |
| ROPs | 32 | 32 |
| Memory SizeDifferent | 3 GB | 4 GB |
| Memory TypeDifferent | GDDR5 | GDDR6 |
| Bus WidthDifferent | 384 bit | 64 bit |
Graphics Processor
| Feature | AMD Radeon R9 280X | AMD Radeon RX 6400 |
|---|---|---|
| GPU NameDifferent | Tahiti | Navi 24 |
| GPU VariantDifferent | Tahiti XTL(215-0821065) | Navi 24 XL(215-135000046) |
| ArchitectureDifferent | GCN 1.0 | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 6 nm |
| TransistorsDifferent | 4,313 million | 5,400 million |
| DensityDifferent | 12.3M / mm² | 50.5M / mm² |
| Die SizeDifferent | 352 mm² | 107 mm² |
Graphics Card
| Feature | AMD Radeon R9 280X | AMD Radeon RX 6400 |
|---|---|---|
| Release DateDifferent | Oct 8th, 2013 | Jan 19th, 2022 |
| GenerationDifferent | Volcanic Islands(R9 200) | Navi II(RX 6000) |
| PredecessorDifferent | Sea Islands | Navi |
| SuccessorDifferent | Pirate Islands | Navi III |
| ProductionDifferent | End-of-life | Active |
| Launch PriceDifferent | 299 USD | 159 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 4.0 x4 |
| ReviewsDifferent | 105 in our database | N/A |
| AvailabilityDifferent | N/A | Apr 20th, 2022 |
Clock Speeds
| Feature | AMD Radeon R9 280X | AMD Radeon RX 6400 |
|---|---|---|
| Base ClockDifferent | 850 MHz | 1923 MHz |
| Boost ClockDifferent | 1000 MHz | 2321 MHz |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 2000 MHz16 Gbps effective |
| Game ClockDifferent | N/A | 2039 MHz |
Memory
| Feature | AMD Radeon R9 280X | AMD Radeon RX 6400 |
|---|---|---|
| Memory SizeDifferent | 3 GB | 4 GB |
| Memory TypeDifferent | GDDR5 | GDDR6 |
| Memory BusDifferent | 384 bit | 64 bit |
| BandwidthDifferent | 288.0 GB/s | 128.0 GB/s |
Render Config
| Feature | AMD Radeon R9 280X | AMD Radeon RX 6400 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 768 |
| TMUsDifferent | 128 | 48 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 32 | 12 |
| L1 CacheDifferent | 16 KB (per CU) | 128 KB per Array |
| L2 CacheDifferent | 768 KB | 1024 KB |
| RT CoresDifferent | N/A | 12 |
| L0 CacheDifferent | N/A | 32 KB per WGP |
| L3 CacheDifferent | N/A | 16 MB |
Theoretical Performance
| Feature | AMD Radeon R9 280X | AMD Radeon RX 6400 |
|---|---|---|
| Pixel RateDifferent | 32.00 GPixel/s | 74.27 GPixel/s |
| Texture RateDifferent | 128.0 GTexel/s | 111.4 GTexel/s |
| FP32 (float)Different | 4.096 TFLOPS | 3.565 TFLOPS |
| FP64 (double)Different | 1,024.0 GFLOPS (1:4) | 222.8 GFLOPS (1:16) |
| FP16 (half)Different | N/A | 7.130 TFLOPS (2:1) |
Board Design
| Feature | AMD Radeon R9 280X | AMD Radeon RX 6400 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 275 mm10.8 inches | N/A |
| HeightDifferent | 109 mm4.3 inches | N/A |
| WidthDifferent | 36 mm1.4 inches | N/A |
| TDPDifferent | 250 W | 53 W |
| Suggested PSUDifferent | 600 W | 250 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x HDMI 2.11x DisplayPort 1.4a |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | None |
| Board NumberDifferent | C386 | D634 |
Graphics Features
| Feature | AMD Radeon R9 280X | AMD Radeon RX 6400 |
|---|---|---|
| DirectXDifferent | 12 (11_1) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 2.1 (1.2) | 2.2 |
| VulkanDifferent | 1.2.170 | 1.3 |
| Shader ModelDifferent | 6.5 (5.1) | 6.8 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
53
Detailed Features
More Comparisons with AMD Radeon R9 280X
Compare AMD Radeon R9 280X with other GPUs of similar performance
AMD Radeon R9 280X vs GeForce GTX 1650
GeForce GTX 1650 Performance116%
GeForce GTX 1650 is 16% faster than AMD Radeon R9 280X
Compare Detailed Specs
AMD Radeon R9 280X vs Radeon RX 6400
Radeon RX 6400 Performance114%
Radeon RX 6400 is 14% faster than AMD Radeon R9 280X
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AMD Radeon R9 280X vs Arc A380
Arc A380 Performance113%
Arc A380 is 13% faster than AMD Radeon R9 280X
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AMD Radeon R9 280X vs GeForce GTX 780
GeForce GTX 780 Performance112%
GeForce GTX 780 is 12% faster than AMD Radeon R9 280X
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AMD Radeon R9 280X vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance102%
Radeon HD 7970 GHz Edition is 2% faster than AMD Radeon R9 280X
Compare Detailed Specs
AMD Radeon R9 280X vs GeForce GTX 590
GeForce GTX 590 Performance101%
GeForce GTX 590 is 1% faster than AMD Radeon R9 280X
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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
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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