GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6600 XT
699%
699%
AMD Radeon HD 6850
14%
14%
AMD Radeon RX 6600 XT is approximately 685% faster
Technical Specifications
| Specification | AMD Radeon RX 6600 XT | AMD Radeon HD 6850 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 23 | Barts |
| CoresDifferent | 2048 | 960 |
| TMUsDifferent | 128 | 48 |
| ROPsDifferent | 64 | 32 |
| Memory SizeDifferent | 8 GB | 1024 MB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus WidthDifferent | 128 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6850 |
|---|---|---|
| GPU NameDifferent | Navi 23 | Barts |
| GPU VariantDifferent | Navi 23 XT(215-130000006) | Barts PRO(215-0798006) |
| ArchitectureDifferent | RDNA 2.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 7 nm | 40 nm |
| TransistorsDifferent | 11,060 million | 1,700 million |
| DensityDifferent | 46.7M / mm² | 6.7M / mm² |
| Die SizeDifferent | 237 mm² | 255 mm² |
| Chip PackageDifferent | BGA-1269 | HFCBGA-1737 |
Graphics Card
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6850 |
|---|---|---|
| Release DateDifferent | Jul 30th, 2021 | Oct 21st, 2010 |
| AvailabilityDifferent | Aug 10th, 2021 | N/A |
| GenerationDifferent | Navi II(RX 6000) | Northern Islands(HD 6800) |
| PredecessorDifferent | Navi | Evergreen |
| SuccessorDifferent | Navi III | Southern Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 379 USD | 179 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x8 | PCIe 2.0 x16 |
| ReviewsDifferent | 45 in our database | 105 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6850 |
|---|---|---|
| Base ClockDifferent | 1968 MHz | N/A |
| Game ClockDifferent | 2359 MHz | N/A |
| Boost ClockDifferent | 2589 MHz | N/A |
| Memory ClockDifferent | 2000 MHz16 Gbps effective | 1000 MHz4 Gbps effective |
| GPU ClockDifferent | N/A | 775 MHz |
Memory
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6850 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 1024 MB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory BusDifferent | 128 bit | 256 bit |
| BandwidthDifferent | 256.0 GB/s | 128.0 GB/s |
Render Config
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6850 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 960 |
| TMUsDifferent | 128 | 48 |
| ROPsDifferent | 64 | 32 |
| Compute UnitsDifferent | 32 | 12 |
| RT CoresDifferent | 32 | N/A |
| L0 CacheDifferent | 32 KB per WGP | N/A |
| L1 CacheDifferent | 128 KB per Array | 8 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 HD 6850 |
|---|---|---|
| Pixel RateDifferent | 165.7 GPixel/s | 24.80 GPixel/s |
| Texture RateDifferent | 331.4 GTexel/s | 37.20 GTexel/s |
| FP16 (half)Different | 21.21 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 10.60 TFLOPS | 1,488.0 GFLOPS |
| FP64 (double)Different | 662.8 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6850 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 190 mm7.5 inches | 198 mm7.8 inches |
| HeightDifferent | 110 mm4.3 inches | N/A |
| WidthDifferent | 40 mm1.6 inches | N/A |
| TDPDifferent | 160 W | 127 W |
| Suggested PSUDifferent | 450 W | 300 W |
| OutputsDifferent | 1x HDMI 2.13x DisplayPort 1.4a | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 |
| Power ConnectorsDifferent | 1x 8-pin | 1x 6-pin |
| Board NumberDifferent | D532 | 109-C22301-00B |
Graphics Features
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6850 |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.1 | 1.2 |
| VulkanDifferent | 1.3 | N/A |
| Shader ModelDifferent | 6.8 | 5.0 |
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 HD 6850
Compare AMD Radeon HD 6850 with other GPUs of similar performance
AMD Radeon HD 6850 vs GeForce GTX 470
GeForce GTX 470 Performance116%
GeForce GTX 470 is 16% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs GeForce GTX 650 Ti
GeForce GTX 650 Ti Performance111%
GeForce GTX 650 Ti is 11% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs Radeon HD 5850
Radeon HD 5850 Performance109%
Radeon HD 5850 is 9% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs GeForce GTX 285
GeForce GTX 285 Performance102%
GeForce GTX 285 is 2% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs Radeon HD 6850
Radeon HD 6850 Performance100%
Radeon HD 6850 is 0% slower than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs GeForce GTX 280
GeForce GTX 280 Performance94%
GeForce GTX 280 is 6% slower than AMD Radeon HD 6850
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