GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6400
112%
112%
AMD Radeon HD 7970 GHz Edition
89%
89%
AMD Radeon RX 6400 is approximately 23% faster
Technical Specifications
| Specification | AMD Radeon RX 6400 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Graphics ProcessorDifferent | Navi 24 | Tahiti |
| CoresDifferent | 768 | 2048 |
| TMUsDifferent | 48 | 128 |
| ROPs | 32 | 32 |
| Memory SizeDifferent | 4 GB | 3 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus WidthDifferent | 64 bit | 384 bit |
Graphics Processor
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| GPU NameDifferent | Navi 24 | Tahiti |
| GPU VariantDifferent | Navi 24 XL(215-135000046) | Tahiti XT2(215-0821065) |
| ArchitectureDifferent | RDNA 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 6 nm | 28 nm |
| TransistorsDifferent | 5,400 million | 4,313 million |
| DensityDifferent | 50.5M / mm² | 12.3M / mm² |
| Die SizeDifferent | 107 mm² | 352 mm² |
Graphics Card
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Release DateDifferent | Jan 19th, 2022 | Jun 22nd, 2012 |
| AvailabilityDifferent | Apr 20th, 2022 | N/A |
| GenerationDifferent | Navi II(RX 6000) | Southern Islands(HD 7900) |
| PredecessorDifferent | Navi | Northern Islands |
| SuccessorDifferent | Navi III | Sea Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 159 USD | 499 USD |
| Bus InterfaceDifferent | PCIe 4.0 x4 | PCIe 3.0 x16 |
| ReviewsDifferent | N/A | 191 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Base ClockDifferent | 1923 MHz | 1000 MHz |
| Game ClockDifferent | 2039 MHz | N/A |
| Boost ClockDifferent | 2321 MHz | 1050 MHz |
| Memory ClockDifferent | 2000 MHz16 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Memory SizeDifferent | 4 GB | 3 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory BusDifferent | 64 bit | 384 bit |
| BandwidthDifferent | 128.0 GB/s | 288.0 GB/s |
Render Config
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Shading UnitsDifferent | 768 | 2048 |
| TMUsDifferent | 48 | 128 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 12 | 32 |
| 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 | 768 KB |
| L3 CacheDifferent | 16 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Pixel RateDifferent | 74.27 GPixel/s | 33.60 GPixel/s |
| Texture RateDifferent | 111.4 GTexel/s | 134.4 GTexel/s |
| FP16 (half)Different | 7.130 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 3.565 TFLOPS | 4.301 TFLOPS |
| FP64 (double)Different | 222.8 GFLOPS (1:16) | 1,075.2 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7970 GHz Edition |
|---|---|---|
| Slot WidthDifferent | Single-slot | Dual-slot |
| TDPDifferent | 53 W | 300 W |
| Suggested PSUDifferent | 250 W | 700 W |
| OutputsDifferent | 1x HDMI 2.11x DisplayPort 1.4a | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | None | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | D634 | 109-C38637-00 |
| LengthDifferent | N/A | 275 mm10.8 inches |
| HeightDifferent | N/A | 111 mm4.4 inches |
| WidthDifferent | N/A | 38 mm1.5 inches |
Graphics Features
| Feature | AMD Radeon RX 6400 | AMD Radeon HD 7970 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 7970 GHz Edition
Compare AMD Radeon HD 7970 GHz Edition with other GPUs of similar performance
AMD Radeon HD 7970 GHz Edition vs GeForce GTX 1650
GeForce GTX 1650 Performance115%
GeForce GTX 1650 is 15% faster than AMD Radeon HD 7970 GHz Edition
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AMD Radeon HD 7970 GHz Edition vs Radeon RX 6400
Radeon RX 6400 Performance112%
Radeon RX 6400 is 12% faster than AMD Radeon HD 7970 GHz Edition
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AMD Radeon HD 7970 GHz Edition vs Arc A380
Arc A380 Performance111%
Arc A380 is 11% faster than AMD Radeon HD 7970 GHz Edition
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AMD Radeon HD 7970 GHz Edition vs GeForce GTX 780
GeForce GTX 780 Performance111%
GeForce GTX 780 is 11% faster than AMD Radeon HD 7970 GHz Edition
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AMD Radeon HD 7970 GHz Edition vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance100%
Radeon HD 7970 GHz Edition is 0% slower than AMD Radeon HD 7970 GHz Edition
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AMD Radeon HD 7970 GHz Edition vs GeForce GTX 590
GeForce GTX 590 Performance100%
GeForce GTX 590 is 0% slower than AMD Radeon HD 7970 GHz Edition
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