GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6400
384%
384%
AMD Radeon HD 7750
26%
26%
AMD Radeon RX 6400 is approximately 358% faster
Technical Specifications
| Specification | AMD Radeon RX 6400 | AMD Radeon HD 7750 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 24 | Cape Verde |
| CoresDifferent | 768 | 512 |
| TMUsDifferent | 48 | 32 |
| ROPsDifferent | 32 | 16 |
| Memory SizeDifferent | 4 GB | 1024 MB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus WidthDifferent | 64 bit | 128 bit |
Graphics Processor
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7750 |
|---|---|---|
| GPU NameDifferent | Navi 24 | Cape Verde |
| GPU VariantDifferent | Navi 24 XL(215-135000046) | Cape Verde PRO(215-0825156) |
| ArchitectureDifferent | RDNA 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 6 nm | 28 nm |
| TransistorsDifferent | 5,400 million | 1,500 million |
| DensityDifferent | 50.5M / mm² | 12.2M / mm² |
| Die SizeDifferent | 107 mm² | 123 mm² |
| Chip PackageDifferent | N/A | FCBGA-962 |
Graphics Card
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7750 |
|---|---|---|
| Release DateDifferent | Jan 19th, 2022 | Feb 15th, 2012 |
| AvailabilityDifferent | Apr 20th, 2022 | N/A |
| GenerationDifferent | Navi II(RX 6000) | Southern Islands(HD 7700) |
| PredecessorDifferent | Navi | Northern Islands |
| SuccessorDifferent | Navi III | Sea Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 159 USD | 109 USD |
| Bus InterfaceDifferent | PCIe 4.0 x4 | PCIe 3.0 x16 |
| ReviewsDifferent | N/A | 61 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7750 |
|---|---|---|
| Base ClockDifferent | 1923 MHz | N/A |
| Game ClockDifferent | 2039 MHz | N/A |
| Boost ClockDifferent | 2321 MHz | N/A |
| Memory ClockDifferent | 2000 MHz16 Gbps effective | 1125 MHz4.5 Gbps effective |
| GPU ClockDifferent | N/A | 800 MHz |
Memory
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7750 |
|---|---|---|
| Memory SizeDifferent | 4 GB | 1024 MB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory BusDifferent | 64 bit | 128 bit |
| BandwidthDifferent | 128.0 GB/s | 72.00 GB/s |
Render Config
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7750 |
|---|---|---|
| Shading UnitsDifferent | 768 | 512 |
| TMUsDifferent | 48 | 32 |
| ROPsDifferent | 32 | 16 |
| Compute UnitsDifferent | 12 | 8 |
| RT CoresDifferent | 12 | N/A |
| L0 CacheDifferent | 32 KB per WGP | N/A |
| L1 CacheDifferent | 128 KB per Array | 16 KB (per CU) |
| L2 CacheDifferent | 1024 KB | 256 KB |
| L3 CacheDifferent | 16 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7750 |
|---|---|---|
| Pixel RateDifferent | 74.27 GPixel/s | 12.80 GPixel/s |
| Texture RateDifferent | 111.4 GTexel/s | 25.60 GTexel/s |
| FP16 (half)Different | 7.130 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 3.565 TFLOPS | 819.2 GFLOPS |
| FP64 (double)Different | 222.8 GFLOPS (1:16) | 51.20 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7750 |
|---|---|---|
| Slot Width | Single-slot | Single-slot |
| TDPDifferent | 53 W | 55 W |
| Suggested PSU | 250 W | 250 W |
| OutputsDifferent | 1x HDMI 2.11x DisplayPort 1.4a | 1x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | None | None |
| Board NumberDifferent | D634 | C441, 109-C44537-00B |
| LengthDifferent | N/A | 168 mm6.6 inches |
Graphics Features
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7750 |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 2.2 | 2.1 (1.2) |
| VulkanDifferent | 1.3 | 1.2.170 |
| Shader ModelDifferent | 6.8 | 6.5 (5.1) |
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 7750
Compare AMD Radeon HD 7750 with other GPUs of similar performance
AMD Radeon HD 7750 vs Radeon HD 4890
Radeon HD 4890 Performance120%
Radeon HD 4890 is 20% faster than AMD Radeon HD 7750
Compare Detailed Specs
AMD Radeon HD 7750 vs Radeon HD 6790
Radeon HD 6790 Performance118%
Radeon HD 6790 is 18% faster than AMD Radeon HD 7750
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AMD Radeon HD 7750 vs Radeon HD 5830
Radeon HD 5830 Performance112%
Radeon HD 5830 is 12% faster than AMD Radeon HD 7750
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AMD Radeon HD 7750 vs GeForce GTX 650
GeForce GTX 650 Performance106%
GeForce GTX 650 is 6% faster than AMD Radeon HD 7750
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AMD Radeon HD 7750 vs GeForce GTX 550 Ti
GeForce GTX 550 Ti Performance105%
GeForce GTX 550 Ti is 5% faster than AMD Radeon HD 7750
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AMD Radeon HD 7750 vs Radeon HD 4870
Radeon HD 4870 Performance104%
Radeon HD 4870 is 4% faster than AMD Radeon HD 7750
Compare Detailed Specs