GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce RTX 4090
14627%
14627%
AMD Radeon HD 6450
1%
1%
NVIDIA GeForce RTX 4090 is approximately 14626% faster
Technical Specifications
| Specification | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | AD102 | Caicos |
| CoresDifferent | 16384 | 160 |
| TMUsDifferent | 512 | 8 |
| ROPsDifferent | 176 | 4 |
| Memory SizeDifferent | 24 GB | 512 MB |
| Memory TypeDifferent | GDDR6X | GDDR3 |
| Bus WidthDifferent | 384 bit | 64 bit |
Graphics Processor
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | AD102 | Caicos |
| GPU VariantDifferent | AD102-300-A1 | Caicos PRO |
| ArchitectureDifferent | Ada Lovelace | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 5 nm | 40 nm |
| TransistorsDifferent | 76,300 million | 370 million |
| DensityDifferent | 125.3M / mm² | 5.5M / mm² |
| Die SizeDifferent | 609 mm² | 67 mm² |
| Chip PackageDifferent | N/A | FCBGA-631 |
Graphics Card
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Sep 20th, 2022 | Apr 7th, 2011 |
| AvailabilityDifferent | Oct 12th, 2022 | N/A |
| GenerationDifferent | GeForce 40 | Northern Islands(HD 6400) |
| PredecessorDifferent | GeForce 30 | Evergreen |
| SuccessorDifferent | GeForce 50 | Southern Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 1,599 USD | 55 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 76 in our database | 14 in our database |
Clock Speeds
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6450 |
|---|---|---|
| Base ClockDifferent | 2235 MHz | N/A |
| Boost ClockDifferent | 2520 MHz | N/A |
| Memory ClockDifferent | 1313 MHz21 Gbps effective | 500 MHz1000 Mbps effective |
| GPU ClockDifferent | N/A | 625 MHz |
Memory
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 24 GB | 512 MB |
| Memory TypeDifferent | GDDR6X | GDDR3 |
| Memory BusDifferent | 384 bit | 64 bit |
| BandwidthDifferent | 1.01 TB/s | 8.000 GB/s |
Render Config
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 16384 | 160 |
| TMUsDifferent | 512 | 8 |
| ROPsDifferent | 176 | 4 |
| SM CountDifferent | 128 | N/A |
| Tensor CoresDifferent | 512 | N/A |
| RT CoresDifferent | 128 | N/A |
| L1 CacheDifferent | 128 KB (per SM) | 8 KB (per CU) |
| L2 CacheDifferent | 72 MB | 128 KB |
| Compute UnitsDifferent | N/A | 2 |
Theoretical Performance
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 443.5 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 1,290.2 GTexel/s | 5.000 GTexel/s |
| FP16 (half)Different | 82.58 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 82.58 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 1,290.2 GFLOPS (1:64) | N/A |
Board Design
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6450 |
|---|---|---|
| Slot WidthDifferent | Triple-slot | Single-slot |
| LengthDifferent | 304 mm12 inches | 168 mm6.6 inches |
| HeightDifferent | 137 mm5.4 inches | N/A |
| WidthDifferent | 61 mm2.4 inches | N/A |
| TDPDifferent | 450 W | 18 W |
| Suggested PSUDifferent | 850 W | 200 W |
| OutputsDifferent | 1x HDMI 2.13x DisplayPort 1.4a | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 1x 16-pin | None |
| Board NumberDifferent | PG139 SKU 330 | 109-C26037-00A |
Graphics Features
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6450 |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 3.0 | 1.2 |
| VulkanDifferent | 1.3 | N/A |
| CUDADifferent | 8.9 | N/A |
| Shader ModelDifferent | 6.8 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
56
Detailed Features
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NVIDIA GeForce RTX 4090 vs GeForce RTX 4090
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NVIDIA GeForce RTX 4090 vs GeForce RTX 4090
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NVIDIA GeForce RTX 4090 vs GeForce RTX 4090
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More Comparisons with AMD Radeon HD 6450
Compare AMD Radeon HD 6450 with other GPUs of similar performance
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GeForce GT 520 Performance106%
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AMD Radeon HD 6450 vs Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 5450
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AMD Radeon HD 6450 vs Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
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