GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6600 XT
485%
485%
AMD Radeon HD 7850
21%
21%
AMD Radeon RX 6600 XT is approximately 464% faster
Technical Specifications
| Specification | AMD Radeon RX 6600 XT | AMD Radeon HD 7850 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 23 | Pitcairn |
| CoresDifferent | 2048 | 1024 |
| TMUsDifferent | 128 | 64 |
| 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 HD 7850 |
|---|---|---|
| GPU NameDifferent | Navi 23 | Pitcairn |
| GPU VariantDifferent | Navi 23 XT(215-130000006) | Pitcairn PRO(215-0828062) |
| ArchitectureDifferent | RDNA 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 7 nm | 28 nm |
| TransistorsDifferent | 11,060 million | 2,800 million |
| DensityDifferent | 46.7M / mm² | 13.2M / mm² |
| Die SizeDifferent | 237 mm² | 212 mm² |
| Chip PackageDifferent | BGA-1269 | FCBGA-1737 |
Graphics Card
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 7850 |
|---|---|---|
| Release DateDifferent | Jul 30th, 2021 | Mar 5th, 2012 |
| AvailabilityDifferent | Aug 10th, 2021 | N/A |
| GenerationDifferent | Navi II(RX 6000) | Southern Islands(HD 7800) |
| PredecessorDifferent | Navi | Northern Islands |
| SuccessorDifferent | Navi III | Sea 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 | 71 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 7850 |
|---|---|---|
| Base ClockDifferent | 1968 MHz | N/A |
| Game ClockDifferent | 2359 MHz | N/A |
| Boost ClockDifferent | 2589 MHz | N/A |
| Memory ClockDifferent | 2000 MHz16 Gbps effective | 1200 MHz4.8 Gbps effective |
| GPU ClockDifferent | N/A | 860 MHz |
Memory
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 7850 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 2 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory BusDifferent | 128 bit | 256 bit |
| BandwidthDifferent | 256.0 GB/s | 153.6 GB/s |
Render Config
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 7850 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 1024 |
| TMUsDifferent | 128 | 64 |
| ROPsDifferent | 64 | 32 |
| Compute UnitsDifferent | 32 | 16 |
| 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 HD 7850 |
|---|---|---|
| Pixel RateDifferent | 165.7 GPixel/s | 27.52 GPixel/s |
| Texture RateDifferent | 331.4 GTexel/s | 55.04 GTexel/s |
| FP16 (half)Different | 21.21 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 10.60 TFLOPS | 1.761 TFLOPS |
| FP64 (double)Different | 662.8 GFLOPS (1:16) | 110.1 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 7850 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 190 mm7.5 inches | 210 mm8.3 inches |
| HeightDifferent | 110 mm4.3 inches | N/A |
| WidthDifferent | 40 mm1.6 inches | N/A |
| TDPDifferent | 160 W | 130 W |
| Suggested PSUDifferent | 450 W | 300 W |
| OutputsDifferent | 1x HDMI 2.13x DisplayPort 1.4a | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 8-pin | 1x 6-pin |
| Board NumberDifferent | D532 | 109-C40147-00, 109-C40337-00A |
Graphics Features
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 7850 |
|---|---|---|
| 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
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 7850
Compare AMD Radeon HD 7850 with other GPUs of similar performance
AMD Radeon HD 7850 vs GeForce GTX 950
GeForce GTX 950 Performance120%
GeForce GTX 950 is 20% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon RX 560
Radeon RX 560 Performance113%
Radeon RX 560 is 13% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs GeForce GTX 570
GeForce GTX 570 Performance111%
GeForce GTX 570 is 11% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs GeForce GTX 660
GeForce GTX 660 Performance111%
GeForce GTX 660 is 11% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon R7 370
Radeon R7 370 Performance110%
Radeon R7 370 is 10% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon HD 6970
Radeon HD 6970 Performance106%
Radeon HD 6970 is 6% faster than AMD Radeon HD 7850
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