GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6600 XT
319%
319%
AMD Radeon R9 285
31%
31%
AMD Radeon RX 6600 XT is approximately 288% faster
Technical Specifications
| Specification | AMD Radeon RX 6600 XT | AMD Radeon R9 285 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 23 | Tonga |
| CoresDifferent | 2048 | 1792 |
| TMUsDifferent | 128 | 112 |
| ROPsDifferent | 64 | 32 |
| Memory SizeDifferent | 8 GB | 2 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus WidthDifferent | 128 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 285 |
|---|---|---|
| GPU NameDifferent | Navi 23 | Tonga |
| GPU VariantDifferent | Navi 23 XT(215-130000006) | Tonga PRO(215-0851128) |
| ArchitectureDifferent | RDNA 2.0 | GCN 3.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 7 nm | 28 nm |
| TransistorsDifferent | 11,060 million | 5,000 million |
| DensityDifferent | 46.7M / mm² | 13.7M / mm² |
| Die SizeDifferent | 237 mm² | 366 mm² |
| Chip PackageDifferent | BGA-1269 | N/A |
Graphics Card
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 285 |
|---|---|---|
| Release DateDifferent | Jul 30th, 2021 | Sep 2nd, 2014 |
| 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 | 249 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x8 | PCIe 3.0 x16 |
| ReviewsDifferent | 45 in our database | 59 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 285 |
|---|---|---|
| Base ClockDifferent | 1968 MHz | N/A |
| Game ClockDifferent | 2359 MHz | N/A |
| Boost ClockDifferent | 2589 MHz | N/A |
| Memory ClockDifferent | 2000 MHz16 Gbps effective | 1375 MHz5.5 Gbps effective |
| GPU ClockDifferent | N/A | 918 MHz |
Memory
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 285 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 2 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory BusDifferent | 128 bit | 256 bit |
| BandwidthDifferent | 256.0 GB/s | 176.0 GB/s |
Render Config
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 285 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 1792 |
| TMUsDifferent | 128 | 112 |
| ROPsDifferent | 64 | 32 |
| Compute UnitsDifferent | 32 | 28 |
| 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 | 512 KB |
| L3 CacheDifferent | 32 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 285 |
|---|---|---|
| Pixel RateDifferent | 165.7 GPixel/s | 29.38 GPixel/s |
| Texture RateDifferent | 331.4 GTexel/s | 102.8 GTexel/s |
| FP16 (half)Different | 21.21 TFLOPS (2:1) | 3.290 TFLOPS (1:1) |
| FP32 (float)Different | 10.60 TFLOPS | 3.290 TFLOPS |
| FP64 (double)Different | 662.8 GFLOPS (1:16) | 205.6 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 285 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 190 mm7.5 inches | 221 mm8.7 inches |
| HeightDifferent | 110 mm4.3 inches | 109 mm4.3 inches |
| WidthDifferent | 40 mm1.6 inches | 36 mm1.4 inches |
| TDPDifferent | 160 W | 190 W |
| Suggested PSU | 450 W | 450 W |
| OutputsDifferent | 1x HDMI 2.13x DisplayPort 1.4a | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 8-pin | 2x 6-pin |
| Board NumberDifferent | D532 | C766 |
Graphics Features
| Feature | AMD Radeon RX 6600 XT | AMD Radeon R9 285 |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| VulkanDifferent | 1.3 | 1.2.170 |
| Shader ModelDifferent | 6.8 | 6.5 |
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
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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 285
Compare AMD Radeon R9 285 with other GPUs of similar performance
AMD Radeon R9 285 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance114%
Radeon HD 7970 GHz Edition is 14% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs GeForce GTX 590
GeForce GTX 590 Performance114%
GeForce GTX 590 is 14% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs Radeon R9 280X
Radeon R9 280X Performance112%
Radeon R9 280X is 12% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs Radeon HD 6990
Radeon HD 6990 Performance110%
Radeon HD 6990 is 10% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs GeForce GTX 1050 Ti
GeForce GTX 1050 Ti Performance104%
GeForce GTX 1050 Ti is 4% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs GeForce GTX 680
GeForce GTX 680 Performance102%
GeForce GTX 680 is 2% faster than AMD Radeon R9 285
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