GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6600 XT
3944%
3944%
AMD Radeon HD 6450
3%
3%
AMD Radeon RX 6600 XT is approximately 3941% faster
Technical Specifications
| Specification | AMD Radeon RX 6600 XT | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 23 | Caicos |
| CoresDifferent | 2048 | 160 |
| TMUsDifferent | 128 | 8 |
| ROPsDifferent | 64 | 4 |
| Memory SizeDifferent | 8 GB | 512 MB |
| Memory TypeDifferent | GDDR6 | GDDR3 |
| Bus WidthDifferent | 128 bit | 64 bit |
Graphics Processor
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | Navi 23 | Caicos |
| GPU VariantDifferent | Navi 23 XT(215-130000006) | Caicos PRO |
| ArchitectureDifferent | RDNA 2.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 7 nm | 40 nm |
| TransistorsDifferent | 11,060 million | 370 million |
| DensityDifferent | 46.7M / mm² | 5.5M / mm² |
| Die SizeDifferent | 237 mm² | 67 mm² |
| Chip PackageDifferent | BGA-1269 | FCBGA-631 |
Graphics Card
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Jul 30th, 2021 | Apr 7th, 2011 |
| AvailabilityDifferent | Aug 10th, 2021 | N/A |
| GenerationDifferent | Navi II(RX 6000) | Northern Islands(HD 6400) |
| PredecessorDifferent | Navi | Evergreen |
| SuccessorDifferent | Navi III | Southern Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 379 USD | 55 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x8 | PCIe 2.0 x16 |
| ReviewsDifferent | 45 in our database | 14 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6450 |
|---|---|---|
| Base ClockDifferent | 1968 MHz | N/A |
| Game ClockDifferent | 2359 MHz | N/A |
| Boost ClockDifferent | 2589 MHz | N/A |
| Memory ClockDifferent | 2000 MHz16 Gbps effective | 500 MHz1000 Mbps effective |
| GPU ClockDifferent | N/A | 625 MHz |
Memory
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 512 MB |
| Memory TypeDifferent | GDDR6 | GDDR3 |
| Memory BusDifferent | 128 bit | 64 bit |
| BandwidthDifferent | 256.0 GB/s | 8.000 GB/s |
Render Config
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 160 |
| TMUsDifferent | 128 | 8 |
| ROPsDifferent | 64 | 4 |
| Compute UnitsDifferent | 32 | 2 |
| 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 | 128 KB |
| L3 CacheDifferent | 32 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 165.7 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 331.4 GTexel/s | 5.000 GTexel/s |
| FP16 (half)Different | 21.21 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 10.60 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 662.8 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6450 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 190 mm7.5 inches | 168 mm6.6 inches |
| HeightDifferent | 110 mm4.3 inches | N/A |
| WidthDifferent | 40 mm1.6 inches | N/A |
| TDPDifferent | 160 W | 18 W |
| Suggested PSUDifferent | 450 W | 200 W |
| OutputsDifferent | 1x HDMI 2.13x DisplayPort 1.4a | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 1x 8-pin | None |
| Board NumberDifferent | D532 | 109-C26037-00A |
Graphics Features
| Feature | AMD Radeon RX 6600 XT | AMD Radeon HD 6450 |
|---|---|---|
| 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 6450
Compare AMD Radeon HD 6450 with other GPUs of similar performance
AMD Radeon HD 6450 vs GeForce GT 520
GeForce GT 520 Performance106%
GeForce GT 520 is 6% faster than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 5450
Radeon HD 5450 Performance85%
Radeon HD 5450 is 15% slower than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
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