GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6400
1582%
1582%
AMD Radeon HD 6450
6%
6%
AMD Radeon RX 6400 is approximately 1576% faster
Technical Specifications
| Specification | AMD Radeon RX 6400 | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 24 | Caicos |
| CoresDifferent | 768 | 160 |
| TMUsDifferent | 48 | 8 |
| ROPsDifferent | 32 | 4 |
| Memory SizeDifferent | 4 GB | 512 MB |
| Memory TypeDifferent | GDDR6 | GDDR3 |
| Bus Width | 64 bit | 64 bit |
Graphics Processor
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | Navi 24 | Caicos |
| GPU VariantDifferent | Navi 24 XL(215-135000046) | Caicos PRO |
| ArchitectureDifferent | RDNA 2.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 6 nm | 40 nm |
| TransistorsDifferent | 5,400 million | 370 million |
| DensityDifferent | 50.5M / mm² | 5.5M / mm² |
| Die SizeDifferent | 107 mm² | 67 mm² |
| Chip PackageDifferent | N/A | FCBGA-631 |
Graphics Card
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Jan 19th, 2022 | Apr 7th, 2011 |
| AvailabilityDifferent | Apr 20th, 2022 | N/A |
| GenerationDifferent | Navi II(RX 6000) | Northern Islands(HD 6400) |
| PredecessorDifferent | Navi | Evergreen |
| SuccessorDifferent | Navi III | Southern Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 159 USD | 55 USD |
| Bus InterfaceDifferent | PCIe 4.0 x4 | PCIe 2.0 x16 |
| ReviewsDifferent | N/A | 14 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 6450 |
|---|---|---|
| Base ClockDifferent | 1923 MHz | N/A |
| Game ClockDifferent | 2039 MHz | N/A |
| Boost ClockDifferent | 2321 MHz | N/A |
| Memory ClockDifferent | 2000 MHz16 Gbps effective | 500 MHz1000 Mbps effective |
| GPU ClockDifferent | N/A | 625 MHz |
Memory
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 4 GB | 512 MB |
| Memory TypeDifferent | GDDR6 | GDDR3 |
| Memory Bus | 64 bit | 64 bit |
| BandwidthDifferent | 128.0 GB/s | 8.000 GB/s |
Render Config
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 768 | 160 |
| TMUsDifferent | 48 | 8 |
| ROPsDifferent | 32 | 4 |
| Compute UnitsDifferent | 12 | 2 |
| RT CoresDifferent | 12 | N/A |
| L0 CacheDifferent | 32 KB per WGP | N/A |
| L1 CacheDifferent | 128 KB per Array | 8 KB (per CU) |
| L2 CacheDifferent | 1024 KB | 128 KB |
| L3 CacheDifferent | 16 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 74.27 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 111.4 GTexel/s | 5.000 GTexel/s |
| FP16 (half)Different | 7.130 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 3.565 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 222.8 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 6450 |
|---|---|---|
| Slot Width | Single-slot | Single-slot |
| TDPDifferent | 53 W | 18 W |
| Suggested PSUDifferent | 250 W | 200 W |
| OutputsDifferent | 1x HDMI 2.11x DisplayPort 1.4a | 1x DVI1x HDMI 1.3a1x VGA |
| Power Connectors | None | None |
| Board NumberDifferent | D634 | 109-C26037-00A |
| LengthDifferent | N/A | 168 mm6.6 inches |
Graphics Features
| Feature | AMD Radeon RX 6400 | 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
53
Detailed Features
More Comparisons with AMD Radeon RX 6400
Compare AMD Radeon RX 6400 with other GPUs of similar performance
AMD Radeon RX 6400 vs GeForce GTX 970
GeForce GTX 970 Performance119%
GeForce GTX 970 is 19% faster than AMD Radeon RX 6400
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AMD Radeon RX 6400 vs Radeon R9 290X
Radeon R9 290X Performance119%
Radeon R9 290X is 19% faster than AMD Radeon RX 6400
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AMD Radeon RX 6400 vs Radeon R9 390
Radeon R9 390 Performance117%
Radeon R9 390 is 17% faster than AMD Radeon RX 6400
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AMD Radeon RX 6400 vs Radeon RX 570
Radeon RX 570 Performance116%
Radeon RX 570 is 16% faster than AMD Radeon RX 6400
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AMD Radeon RX 6400 vs Radeon R9 290
Radeon R9 290 Performance110%
Radeon R9 290 is 10% faster than AMD Radeon RX 6400
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AMD Radeon RX 6400 vs Radeon RX 470
Radeon RX 470 Performance108%
Radeon RX 470 is 8% faster than AMD Radeon RX 6400
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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
Compare Detailed Specs
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
Compare Detailed Specs
AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
Compare Detailed Specs