GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce RTX 5080
12638%
12638%
AMD Radeon HD 6450
1%
1%
NVIDIA GeForce RTX 5080 is approximately 12637% faster
Technical Specifications
| Specification | NVIDIA GeForce RTX 5080 | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | GB203 | Caicos |
| CoresDifferent | 10752 | 160 |
| TMUsDifferent | 336 | 8 |
| ROPsDifferent | 112 | 4 |
| Memory SizeDifferent | 16 GB | 512 MB |
| Memory TypeDifferent | GDDR7 | GDDR3 |
| Bus WidthDifferent | 256 bit | 64 bit |
Graphics Processor
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | GB203 | Caicos |
| GPU VariantDifferent | GB203-400-A1 | Caicos PRO |
| ArchitectureDifferent | Blackwell 2.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process TypeDifferent | 4N FinFET | N/A |
| Process SizeDifferent | 5 nm | 40 nm |
| TransistorsDifferent | 45,600 million | 370 million |
| DensityDifferent | 120.6M / mm² | 5.5M / mm² |
| Die SizeDifferent | 378 mm² | 67 mm² |
| Chip PackageDifferent | N/A | FCBGA-631 |
Graphics Card
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Jan 30th, 2025 | Apr 7th, 2011 |
| AnnouncedDifferent | Jan 6th, 2025 | N/A |
| GenerationDifferent | GeForce 50 | Northern Islands(HD 6400) |
| PredecessorDifferent | GeForce 40 | Evergreen |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 999 USD | 55 USD |
| Bus InterfaceDifferent | PCIe 5.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 72 in our database | 14 in our database |
| SuccessorDifferent | N/A | Southern Islands |
Clock Speeds
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 6450 |
|---|---|---|
| Base ClockDifferent | 2295 MHz | N/A |
| Boost ClockDifferent | 2617 MHz | N/A |
| Memory ClockDifferent | 1875 MHz30 Gbps effective | 500 MHz1000 Mbps effective |
| GPU ClockDifferent | N/A | 625 MHz |
Memory
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 16 GB | 512 MB |
| Memory TypeDifferent | GDDR7 | GDDR3 |
| Memory BusDifferent | 256 bit | 64 bit |
| BandwidthDifferent | 960.0 GB/s | 8.000 GB/s |
Render Config
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 10752 | 160 |
| TMUsDifferent | 336 | 8 |
| ROPsDifferent | 112 | 4 |
| SM CountDifferent | 84 | N/A |
| Tensor CoresDifferent | 336 | N/A |
| RT CoresDifferent | 84 | N/A |
| L1 CacheDifferent | 128 KB (per SM) | 8 KB (per CU) |
| L2 CacheDifferent | 64 MB | 128 KB |
| Compute UnitsDifferent | N/A | 2 |
Theoretical Performance
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 293.1 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 879.3 GTexel/s | 5.000 GTexel/s |
| FP16 (half)Different | 56.28 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 56.28 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 879.3 GFLOPS (1:64) | N/A |
Board Design
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 6450 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 304 mm12 inches | 168 mm6.6 inches |
| HeightDifferent | 137 mm5.4 inches | N/A |
| WidthDifferent | 40 mm1.6 inches | N/A |
| TDPDifferent | 360 W | 18 W |
| Suggested PSUDifferent | 750 W | 200 W |
| OutputsDifferent | 1x HDMI 2.1b3x DisplayPort 2.1b | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 1x 16-pin | None |
| Board NumberDifferent | PG147 SKU 45 | 109-C26037-00A |
Graphics Features
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 6450 |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 3.0 | 1.2 |
| VulkanDifferent | 1.4 | N/A |
| CUDADifferent | 12.0 | N/A |
| Shader ModelDifferent | 6.8 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
56
Detailed Features
More Comparisons with NVIDIA GeForce RTX 5080
Compare NVIDIA GeForce RTX 5080 with other GPUs of similar performance
NVIDIA GeForce RTX 5080 vs GeForce RTX 4090
GeForce RTX 4090 Performance116%
GeForce RTX 4090 is 16% faster than NVIDIA GeForce RTX 5080
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NVIDIA GeForce RTX 5080 vs GeForce RTX 5080
GeForce RTX 5080 Performance100%
GeForce RTX 5080 is 0% slower than NVIDIA GeForce RTX 5080
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NVIDIA GeForce RTX 5080 vs GeForce RTX 4080 SUPER
GeForce RTX 4080 SUPER Performance89%
GeForce RTX 4080 SUPER is 11% slower than NVIDIA GeForce RTX 5080
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NVIDIA GeForce RTX 5080 vs GeForce RTX 4080
GeForce RTX 4080 Performance89%
GeForce RTX 4080 is 11% slower than NVIDIA GeForce RTX 5080
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NVIDIA GeForce RTX 5080 vs Radeon RX 7900 XTX
Radeon RX 7900 XTX Performance88%
Radeon RX 7900 XTX is 12% slower than NVIDIA GeForce RTX 5080
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NVIDIA GeForce RTX 5080 vs GeForce RTX 5070 Ti
GeForce RTX 5070 Ti Performance87%
GeForce RTX 5070 Ti is 13% slower than NVIDIA GeForce RTX 5080
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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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