GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce RTX 5090
19177%
19177%
AMD Radeon HD 6450
1%
1%
NVIDIA GeForce RTX 5090 is approximately 19176% faster
Technical Specifications
| Specification | NVIDIA GeForce RTX 5090 | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | GB202 | Caicos |
| CoresDifferent | 21760 | 160 |
| TMUsDifferent | 680 | 8 |
| ROPsDifferent | 176 | 4 |
| Memory SizeDifferent | 32 GB | 512 MB |
| Memory TypeDifferent | GDDR7 | GDDR3 |
| Bus WidthDifferent | 512 bit | 64 bit |
Graphics Processor
| Feature | NVIDIA GeForce RTX 5090 | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | GB202 | Caicos |
| GPU VariantDifferent | GB202-300-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 | 92,200 million | 370 million |
| DensityDifferent | 122.9M / mm² | 5.5M / mm² |
| Die SizeDifferent | 750 mm² | 67 mm² |
| Chip PackageDifferent | N/A | FCBGA-631 |
Graphics Card
| Feature | NVIDIA GeForce RTX 5090 | 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 | 1,999 USD | 55 USD |
| Bus InterfaceDifferent | PCIe 5.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 43 in our database | 14 in our database |
| SuccessorDifferent | N/A | Southern Islands |
Clock Speeds
| Feature | NVIDIA GeForce RTX 5090 | AMD Radeon HD 6450 |
|---|---|---|
| Base ClockDifferent | 2017 MHz | N/A |
| Boost ClockDifferent | 2407 MHz | N/A |
| Memory ClockDifferent | 1750 MHz28 Gbps effective | 500 MHz1000 Mbps effective |
| GPU ClockDifferent | N/A | 625 MHz |
Memory
| Feature | NVIDIA GeForce RTX 5090 | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 32 GB | 512 MB |
| Memory TypeDifferent | GDDR7 | GDDR3 |
| Memory BusDifferent | 512 bit | 64 bit |
| BandwidthDifferent | 1.79 TB/s | 8.000 GB/s |
Render Config
| Feature | NVIDIA GeForce RTX 5090 | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 21760 | 160 |
| TMUsDifferent | 680 | 8 |
| ROPsDifferent | 176 | 4 |
| SM CountDifferent | 170 | N/A |
| Tensor CoresDifferent | 680 | N/A |
| RT CoresDifferent | 170 | N/A |
| L1 CacheDifferent | 128 KB (per SM) | 8 KB (per CU) |
| L2 CacheDifferent | 96 MB | 128 KB |
| Compute UnitsDifferent | N/A | 2 |
Theoretical Performance
| Feature | NVIDIA GeForce RTX 5090 | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 423.6 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 1,636.8 GTexel/s | 5.000 GTexel/s |
| FP16 (half)Different | 104.8 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 104.8 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 1.637 TFLOPS (1:64) | N/A |
Board Design
| Feature | NVIDIA GeForce RTX 5090 | 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 | 575 W | 18 W |
| Suggested PSUDifferent | 950 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 | PG145 SKU 30 | 109-C26037-00A |
Graphics Features
| Feature | NVIDIA GeForce RTX 5090 | 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
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