GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6600 XT
285%
285%
AMD Radeon R9 280X
35%
35%
AMD Radeon RX 6600 XT is approximately 250% faster
Technical Specifications
| Specification | AMD Radeon RX 6600 XT | AMD Radeon R9 280X |
|---|---|---|
| Graphics ProcessorDifferent | Navi 23 | Tahiti |
| Cores | 2048 | 2048 |
| TMUs | 128 | 128 |
| ROPsDifferent | 64 | 32 |
| Memory SizeDifferent | 8 GB | 3 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus WidthDifferent | 128 bit | 384 bit |
Graphics Processor
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 280X |
|---|---|---|
| GPU NameDifferent | Navi 23 | Tahiti |
| GPU VariantDifferent | Navi 23 XT(215-130000006) | Tahiti XTL(215-0821065) |
| ArchitectureDifferent | RDNA 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 7 nm | 28 nm |
| TransistorsDifferent | 11,060 million | 4,313 million |
| DensityDifferent | 46.7M / mm² | 12.3M / mm² |
| Die SizeDifferent | 237 mm² | 352 mm² |
| Chip PackageDifferent | BGA-1269 | N/A |
Graphics Card
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 280X |
|---|---|---|
| Release DateDifferent | Jul 30th, 2021 | Oct 8th, 2013 |
| AvailabilityDifferent | Aug 10th, 2021 | 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 | 379 USD | 299 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x8 | PCIe 3.0 x16 |
| ReviewsDifferent | 45 in our database | 105 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 280X |
|---|---|---|
| Base ClockDifferent | 1968 MHz | 850 MHz |
| Game ClockDifferent | 2359 MHz | N/A |
| Boost ClockDifferent | 2589 MHz | 1000 MHz |
| Memory ClockDifferent | 2000 MHz16 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 280X |
|---|---|---|
| Memory SizeDifferent | 8 GB | 3 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory BusDifferent | 128 bit | 384 bit |
| BandwidthDifferent | 256.0 GB/s | 288.0 GB/s |
Render Config
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 280X |
|---|---|---|
| Shading Units | 2048 | 2048 |
| TMUs | 128 | 128 |
| ROPsDifferent | 64 | 32 |
| Compute Units | 32 | 32 |
| RT CoresDifferent | 32 | N/A |
| L0 CacheDifferent | 32 KB per WGP | N/A |
| L1 CacheDifferent | 128 KB per Array | 16 KB (per CU) |
| L2 CacheDifferent | 2 MB | 768 KB |
| L3 CacheDifferent | 32 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 280X |
|---|---|---|
| Pixel RateDifferent | 165.7 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 331.4 GTexel/s | 128.0 GTexel/s |
| FP16 (half)Different | 21.21 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 10.60 TFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 662.8 GFLOPS (1:16) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 280X |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 190 mm7.5 inches | 275 mm10.8 inches |
| HeightDifferent | 110 mm4.3 inches | 109 mm4.3 inches |
| WidthDifferent | 40 mm1.6 inches | 36 mm1.4 inches |
| TDPDifferent | 160 W | 250 W |
| Suggested PSUDifferent | 450 W | 600 W |
| OutputsDifferent | 1x HDMI 2.13x DisplayPort 1.4a | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 8-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | D532 | C386 |
Graphics Features
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 280X |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 2.1 | 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
55
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
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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
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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
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AMD Radeon RX 6600 XT vs Arc B580
Arc B580 Performance119%
Arc B580 is 19% faster than AMD Radeon RX 6600 XT
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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
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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
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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
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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
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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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