GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 7800 XT
7472%
7472%
AMD Radeon HD 6450
1%
1%
AMD Radeon RX 7800 XT is approximately 7471% faster
Technical Specifications
| Specification | AMD Radeon RX 7800 XT | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 32 | Caicos |
| CoresDifferent | 3840 | 160 |
| TMUsDifferent | 240 | 8 |
| ROPsDifferent | 96 | 4 |
| Memory SizeDifferent | 16 GB | 512 MB |
| Memory TypeDifferent | GDDR6 | GDDR3 |
| Bus WidthDifferent | 256 bit | 64 bit |
Graphics Processor
| Feature | AMD Radeon RX 7800 XT | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | Navi 32 | Caicos |
| CodenameDifferent | Wheat Nas | N/A |
| GPU VariantDifferent | Navi 32 XT(215-180000006) | Caicos PRO |
| ArchitectureDifferent | RDNA 3.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 5 nm | 40 nm |
| MCD ProcessDifferent | 6 nm | N/A |
| Process TypeDifferent | N5 / N6 FinFET | N/A |
| TransistorsDifferent | 28,100 million | 370 million |
| DensityDifferent | 81.2M / mm² | 5.5M / mm² |
| Die SizeDifferent | 346 mm² | 67 mm² |
| GCD SizeDifferent | 200mm² | N/A |
| MCD SizeDifferent | 36.6 mm² x4 | N/A |
| Chip PackageDifferent | MCM | FCBGA-631 |
| Package SizeDifferent | 40mm × 40mm | N/A |
Graphics Card
| Feature | AMD Radeon RX 7800 XT | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Aug 25th, 2023 | Apr 7th, 2011 |
| AvailabilityDifferent | Sep 6th, 2023 | N/A |
| GenerationDifferent | Navi III(RX 7000) | Northern Islands(HD 6400) |
| PredecessorDifferent | Navi II | Evergreen |
| SuccessorDifferent | Navi IV | Southern Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 499 USD | 55 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 44 in our database | 14 in our database |
Clock Speeds
| Feature | AMD Radeon RX 7800 XT | AMD Radeon HD 6450 |
|---|---|---|
| Base ClockDifferent | 1295 MHz | N/A |
| Game ClockDifferent | 2124 MHz | N/A |
| Boost ClockDifferent | 2430 MHz | N/A |
| Memory ClockDifferent | 2438 MHz19.5 Gbps effective | 500 MHz1000 Mbps effective |
| GPU ClockDifferent | N/A | 625 MHz |
Memory
| Feature | AMD Radeon RX 7800 XT | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 16 GB | 512 MB |
| Memory TypeDifferent | GDDR6 | GDDR3 |
| Memory BusDifferent | 256 bit | 64 bit |
| BandwidthDifferent | 624.1 GB/s | 8.000 GB/s |
Render Config
| Feature | AMD Radeon RX 7800 XT | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 3840 | 160 |
| TMUsDifferent | 240 | 8 |
| ROPsDifferent | 96 | 4 |
| Compute UnitsDifferent | 60 | 2 |
| Matrix CoresDifferent | 120 | N/A |
| RT CoresDifferent | 60 | N/A |
| L0 CacheDifferent | 32 KB per WGP | N/A |
| L1 CacheDifferent | 128 KB per Array | 8 KB (per CU) |
| L2 CacheDifferent | 4 MB | 128 KB |
| L3 CacheDifferent | 64 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 7800 XT | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 233.3 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 583.2 GTexel/s | 5.000 GTexel/s |
| FP16 (half)Different | 74.65 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 37.32 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 1,166.4 GFLOPS (1:32) | N/A |
Board Design
| Feature | AMD Radeon RX 7800 XT | AMD Radeon HD 6450 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 267 mm10.5 inches | 168 mm6.6 inches |
| HeightDifferent | 111 mm4.4 inches | N/A |
| WidthDifferent | 50 mm2 inches | N/A |
| TDPDifferent | 263 W | 18 W |
| Suggested PSUDifferent | 600 W | 200 W |
| OutputsDifferent | 1x HDMI 2.1a3x DisplayPort 2.1 | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 2x 8-pin | None |
| Board NumberDifferent | 109-D712A7-00_02 | 109-C26037-00A |
Graphics Features
| Feature | AMD Radeon RX 7800 XT | AMD Radeon HD 6450 |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.2 | 1.2 |
| VulkanDifferent | 1.3 | N/A |
| Shader ModelDifferent | 6.8 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
63
Detailed Features
More Comparisons with AMD Radeon RX 7800 XT
Compare AMD Radeon RX 7800 XT with other GPUs of similar performance
AMD Radeon RX 7800 XT vs GeForce RTX 4070 Ti
GeForce RTX 4070 Ti Performance116%
GeForce RTX 4070 Ti is 16% faster than AMD Radeon RX 7800 XT
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AMD Radeon RX 7800 XT vs GeForce RTX 5070
GeForce RTX 5070 Performance115%
GeForce RTX 5070 is 15% faster than AMD Radeon RX 7800 XT
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AMD Radeon RX 7800 XT vs GeForce RTX 3090
GeForce RTX 3090 Performance113%
GeForce RTX 3090 is 13% faster than AMD Radeon RX 7800 XT
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AMD Radeon RX 7800 XT vs GeForce RTX 3080 Ti
GeForce RTX 3080 Ti Performance111%
GeForce RTX 3080 Ti is 11% faster than AMD Radeon RX 7800 XT
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AMD Radeon RX 7800 XT vs GeForce RTX 4070 SUPER
GeForce RTX 4070 SUPER Performance108%
GeForce RTX 4070 SUPER is 8% faster than AMD Radeon RX 7800 XT
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AMD Radeon RX 7800 XT vs Radeon RX 7900 GRE
Radeon RX 7900 GRE Performance106%
Radeon RX 7900 GRE is 6% faster than AMD Radeon RX 7800 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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