GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6400
300%
300%
AMD Radeon HD 7770 GHz Edition
89%
89%
AMD Radeon RX 6400 is approximately 211% faster
Technical Specifications
| Specification | AMD Radeon RX 6400 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Graphics ProcessorDifferent | Navi 24 | Cape Verde |
| CoresDifferent | 768 | 640 |
| TMUsDifferent | 48 | 40 |
| 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 7770 GHz Edition |
|---|---|---|
| GPU NameDifferent | Navi 24 | Cape Verde |
| GPU VariantDifferent | Navi 24 XL(215-135000046) | Cape Verde XT(215-0825117) |
| 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 7770 GHz Edition |
|---|---|---|
| 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 Price | 159 USD | 159 USD |
| Bus InterfaceDifferent | PCIe 4.0 x4 | PCIe 3.0 x16 |
| ReviewsDifferent | N/A | 97 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| 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 | 1000 MHz |
Memory
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| 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 7770 GHz Edition |
|---|---|---|
| Shading UnitsDifferent | 768 | 640 |
| TMUsDifferent | 48 | 40 |
| ROPsDifferent | 32 | 16 |
| Compute UnitsDifferent | 12 | 10 |
| 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 7770 GHz Edition |
|---|---|---|
| Pixel RateDifferent | 74.27 GPixel/s | 16.00 GPixel/s |
| Texture RateDifferent | 111.4 GTexel/s | 40.00 GTexel/s |
| FP16 (half)Different | 7.130 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 3.565 TFLOPS | 1,280.0 GFLOPS |
| FP64 (double)Different | 222.8 GFLOPS (1:16) | 80.00 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| Slot WidthDifferent | Single-slot | Dual-slot |
| TDPDifferent | 53 W | 80 W |
| Suggested PSU | 250 W | 250 W |
| OutputsDifferent | 1x HDMI 2.11x DisplayPort 1.4a | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | None | 1x 6-pin |
| Board NumberDifferent | D634 | 109-C44157-00C, C468 |
| LengthDifferent | N/A | 210 mm8.3 inches |
Graphics Features
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| 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 7770 GHz Edition
Compare AMD Radeon HD 7770 GHz Edition with other GPUs of similar performance
AMD Radeon HD 7770 GHz Edition vs GeForce GTX 650 Ti
GeForce GTX 650 Ti Performance119%
GeForce GTX 650 Ti is 19% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs Radeon HD 5850
Radeon HD 5850 Performance117%
Radeon HD 5850 is 17% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 285
GeForce GTX 285 Performance109%
GeForce GTX 285 is 9% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs Radeon HD 6850
Radeon HD 6850 Performance107%
Radeon HD 6850 is 7% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 280
GeForce GTX 280 Performance100%
GeForce GTX 280 is 0% slower than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs Radeon HD 7770 GHz Edition
Radeon HD 7770 GHz Edition Performance100%
Radeon HD 7770 GHz Edition is 0% slower than AMD Radeon HD 7770 GHz Edition
Compare Detailed Specs