GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 7900 GRE
7930%
7930%
AMD Radeon HD 6450
1%
1%
AMD Radeon RX 7900 GRE is approximately 7929% faster
Technical Specifications
| Specification | AMD Radeon RX 7900 GRE | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 31 | Caicos |
| CoresDifferent | 5120 | 160 |
| TMUsDifferent | 320 | 8 |
| ROPsDifferent | 160 | 4 |
| Memory SizeDifferent | 16 GB | 512 MB |
| Memory TypeDifferent | GDDR6 | GDDR3 |
| Bus WidthDifferent | 256 bit | 64 bit |
Graphics Processor
| Feature | AMD Radeon RX 7900 GRE | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | Navi 31 | Caicos |
| CodenameDifferent | Plum Bonito | N/A |
| GPU VariantDifferent | Navi 31 XL(215-145000206) | 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 | 57,700 million | 370 million |
| GCD TransistorsDifferent | 45,400 million | N/A |
| MCD TransistorsDifferent | 2,050 million x6 | N/A |
| DensityDifferent | 109.1M / mm² | 5.5M / mm² |
| GCD DensityDifferent | 150.2M / mm² | N/A |
| MCD DensityDifferent | 54.64M / mm² | N/A |
| Die SizeDifferent | 529 mm² | 67 mm² |
| GCD Die SizeDifferent | 304.35 mm² | N/A |
| MCD Die SizeDifferent | 37.52 mm² x6 | N/A |
| Chip PackageDifferent | MCM | FCBGA-631 |
Graphics Card
| Feature | AMD Radeon RX 7900 GRE | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Jul 27th, 2023 | Apr 7th, 2011 |
| 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 | 549 USD | 55 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 34 in our database | 14 in our database |
Clock Speeds
| Feature | AMD Radeon RX 7900 GRE | AMD Radeon HD 6450 |
|---|---|---|
| Base ClockDifferent | 1287 MHz | N/A |
| Shader ClockDifferent | 1880 MHz | N/A |
| Game ClockDifferent | 1880 MHz | N/A |
| Boost ClockDifferent | 2245 MHz | N/A |
| Memory ClockDifferent | 2250 MHz18 Gbps effective | 500 MHz1000 Mbps effective |
| GPU ClockDifferent | N/A | 625 MHz |
Memory
| Feature | AMD Radeon RX 7900 GRE | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 16 GB | 512 MB |
| Memory TypeDifferent | GDDR6 | GDDR3 |
| Memory BusDifferent | 256 bit | 64 bit |
| BandwidthDifferent | 576.0 GB/s | 8.000 GB/s |
Render Config
| Feature | AMD Radeon RX 7900 GRE | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 5120 | 160 |
| TMUsDifferent | 320 | 8 |
| ROPsDifferent | 160 | 4 |
| Compute UnitsDifferent | 80 | 2 |
| Matrix CoresDifferent | 160 | N/A |
| RT CoresDifferent | 80 | N/A |
| L0 CacheDifferent | 64 KB per WGP | N/A |
| L1 CacheDifferent | 256 KB per Array | 8 KB (per CU) |
| L2 CacheDifferent | 6 MB | 128 KB |
| L3 CacheDifferent | 64 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 7900 GRE | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 359.2 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 718.4 GTexel/s | 5.000 GTexel/s |
| FP16 (half)Different | 91.96 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 45.98 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 1,436.8 GFLOPS (1:32) | N/A |
Board Design
| Feature | AMD Radeon RX 7900 GRE | AMD Radeon HD 6450 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 276 mm10.9 inches | 168 mm6.6 inches |
| HeightDifferent | 110 mm4.3 inches | N/A |
| WidthDifferent | 51 mm2 inches | N/A |
| TDPDifferent | 260 W | 18 W |
| Suggested PSUDifferent | 600 W | 200 W |
| OutputsDifferent | 1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C | 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 7900 GRE | 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
66
Detailed Features
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AMD Radeon RX 7900 GRE vs GeForce RTX 3090 Ti
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AMD Radeon RX 7900 GRE vs GeForce RTX 4070 Ti SUPER
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AMD Radeon RX 7900 GRE vs Radeon RX 9070
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AMD Radeon RX 7900 GRE vs GeForce RTX 4070 Ti
GeForce RTX 4070 Ti Performance109%
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AMD Radeon RX 7900 GRE vs GeForce RTX 5070
GeForce RTX 5070 Performance108%
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AMD Radeon RX 7900 GRE vs GeForce RTX 3090
GeForce RTX 3090 Performance106%
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More Comparisons with AMD Radeon HD 6450
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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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