GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6800
584%
584%
AMD Radeon R9 285
20%
20%
AMD Radeon RX 6800 is approximately 564% faster
Technical Specifications
| Specification | AMD Radeon RX 6800 | AMD Radeon R9 285 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 21 | Tonga |
| CoresDifferent | 3840 | 1792 |
| TMUsDifferent | 240 | 112 |
| ROPsDifferent | 96 | 32 |
| Memory SizeDifferent | 16 GB | 2 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon RX 6800 | AMD Radeon R9 285 |
|---|---|---|
| GPU NameDifferent | Navi 21 | Tonga |
| GPU VariantDifferent | Navi 21 XL(215-121000187) | Tonga PRO(215-0851128) |
| ArchitectureDifferent | RDNA 2.0 | GCN 3.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 7 nm | 28 nm |
| TransistorsDifferent | 26,800 million | 5,000 million |
| DensityDifferent | 51.5M / mm² | 13.7M / mm² |
| Die SizeDifferent | 520 mm² | 366 mm² |
| Chip PackageDifferent | BGA-2425 | N/A |
Graphics Card
| Feature | AMD Radeon RX 6800 | AMD Radeon R9 285 |
|---|---|---|
| Release DateDifferent | Oct 28th, 2020 | Sep 2nd, 2014 |
| AvailabilityDifferent | Nov 18th, 2020 | 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 | 579 USD | 249 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 22 in our database | 59 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6800 | AMD Radeon R9 285 |
|---|---|---|
| Base ClockDifferent | 1700 MHz | N/A |
| Game ClockDifferent | 1815 MHz | N/A |
| Boost ClockDifferent | 2105 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 6800 | AMD Radeon R9 285 |
|---|---|---|
| Memory SizeDifferent | 16 GB | 2 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 512.0 GB/s | 176.0 GB/s |
Render Config
| Feature | AMD Radeon RX 6800 | AMD Radeon R9 285 |
|---|---|---|
| Shading UnitsDifferent | 3840 | 1792 |
| TMUsDifferent | 240 | 112 |
| ROPsDifferent | 96 | 32 |
| Compute UnitsDifferent | 60 | 28 |
| RT CoresDifferent | 60 | N/A |
| L0 CacheDifferent | 32 KB per WGP | N/A |
| L1 CacheDifferent | 128 KB per Array | 16 KB (per CU) |
| L2 CacheDifferent | 4 MB | 512 KB |
| L3 CacheDifferent | 128 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6800 | AMD Radeon R9 285 |
|---|---|---|
| Pixel RateDifferent | 202.1 GPixel/s | 29.38 GPixel/s |
| Texture RateDifferent | 505.2 GTexel/s | 102.8 GTexel/s |
| FP16 (half)Different | 32.33 TFLOPS (2:1) | 3.290 TFLOPS (1:1) |
| FP32 (float)Different | 16.17 TFLOPS | 3.290 TFLOPS |
| FP64 (double)Different | 1,010.4 GFLOPS (1:16) | 205.6 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon RX 6800 | AMD Radeon R9 285 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 267 mm10.5 inches | 221 mm8.7 inches |
| HeightDifferent | 120 mm4.7 inches | 109 mm4.3 inches |
| WidthDifferent | 40 mm1.6 inches | 36 mm1.4 inches |
| TDPDifferent | 250 W | 190 W |
| Suggested PSUDifferent | 600 W | 450 W |
| OutputsDifferent | 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 8-pin | 2x 6-pin |
| Part NumberDifferent | 102-D41209 | N/A |
| Board NumberDifferent | 109-D412A7-00_03 | C766 |
Graphics Features
| Feature | AMD Radeon RX 6800 | 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
57
Detailed Features
More Comparisons with AMD Radeon RX 6800
Compare AMD Radeon RX 6800 with other GPUs of similar performance
AMD Radeon RX 6800 vs Radeon RX 6800 XT
Radeon RX 6800 XT Performance118%
Radeon RX 6800 XT is 18% faster than AMD Radeon RX 6800
Compare Detailed Specs
AMD Radeon RX 6800 vs GeForce RTX 5060 Ti 16 GB
GeForce RTX 5060 Ti 16 GB Performance109%
GeForce RTX 5060 Ti 16 GB is 9% faster than AMD Radeon RX 6800
Compare Detailed Specs
AMD Radeon RX 6800 vs GeForce RTX 5060 Ti 8 GB
GeForce RTX 5060 Ti 8 GB Performance109%
GeForce RTX 5060 Ti 8 GB is 9% faster than AMD Radeon RX 6800
Compare Detailed Specs
AMD Radeon RX 6800 vs Radeon RX 7700 XT
Radeon RX 7700 XT Performance107%
Radeon RX 7700 XT is 7% faster than AMD Radeon RX 6800
Compare Detailed Specs
AMD Radeon RX 6800 vs Radeon RX 9060 XT 16 GB
Radeon RX 9060 XT 16 GB Performance104%
Radeon RX 9060 XT 16 GB is 4% faster than AMD Radeon RX 6800
Compare Detailed Specs
AMD Radeon RX 6800 vs GeForce RTX 3070 Ti
GeForce RTX 3070 Ti Performance103%
GeForce RTX 3070 Ti is 3% faster than AMD Radeon RX 6800
Compare Detailed Specs
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
Compare Detailed Specs
AMD Radeon R9 285 vs GeForce GTX 590
GeForce GTX 590 Performance114%
GeForce GTX 590 is 14% faster than AMD Radeon R9 285
Compare Detailed Specs
AMD Radeon R9 285 vs Radeon R9 280X
Radeon R9 280X Performance112%
Radeon R9 280X is 12% faster than AMD Radeon R9 285
Compare Detailed Specs
AMD Radeon R9 285 vs Radeon HD 6990
Radeon HD 6990 Performance110%
Radeon HD 6990 is 10% faster than AMD Radeon R9 285
Compare Detailed Specs
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
Compare Detailed Specs
AMD Radeon R9 285 vs GeForce GTX 680
GeForce GTX 680 Performance102%
GeForce GTX 680 is 2% faster than AMD Radeon R9 285
Compare Detailed Specs