GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7970 GHz Edition
89%
89%
AMD Radeon RX 6400
112%
112%
AMD Radeon RX 6400 is approximately 23% faster
Technical Specifications
| Specification | AMD Radeon HD 7970 GHz Edition | AMD Radeon RX 6400 |
|---|---|---|
| Graphics ProcessorDifferent | Tahiti | Navi 24 |
| CoresDifferent | 2048 | 768 |
| TMUsDifferent | 128 | 48 |
| ROPs | 32 | 32 |
| Memory SizeDifferent | 3 GB | 4 GB |
| Memory TypeDifferent | GDDR5 | GDDR6 |
| Bus WidthDifferent | 384 bit | 64 bit |
Graphics Processor
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon RX 6400 |
|---|---|---|
| GPU NameDifferent | Tahiti | Navi 24 |
| GPU VariantDifferent | Tahiti XT2(215-0821065) | Navi 24 XL(215-135000046) |
| ArchitectureDifferent | GCN 1.0 | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 6 nm |
| TransistorsDifferent | 4,313 million | 5,400 million |
| DensityDifferent | 12.3M / mm² | 50.5M / mm² |
| Die SizeDifferent | 352 mm² | 107 mm² |
Graphics Card
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon RX 6400 |
|---|---|---|
| Release DateDifferent | Jun 22nd, 2012 | Jan 19th, 2022 |
| GenerationDifferent | Southern Islands(HD 7900) | Navi II(RX 6000) |
| PredecessorDifferent | Northern Islands | Navi |
| SuccessorDifferent | Sea Islands | Navi III |
| ProductionDifferent | End-of-life | Active |
| Launch PriceDifferent | 499 USD | 159 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 4.0 x4 |
| ReviewsDifferent | 191 in our database | N/A |
| AvailabilityDifferent | N/A | Apr 20th, 2022 |
Clock Speeds
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon RX 6400 |
|---|---|---|
| Base ClockDifferent | 1000 MHz | 1923 MHz |
| Boost ClockDifferent | 1050 MHz | 2321 MHz |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 2000 MHz16 Gbps effective |
| Game ClockDifferent | N/A | 2039 MHz |
Memory
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon RX 6400 |
|---|---|---|
| Memory SizeDifferent | 3 GB | 4 GB |
| Memory TypeDifferent | GDDR5 | GDDR6 |
| Memory BusDifferent | 384 bit | 64 bit |
| BandwidthDifferent | 288.0 GB/s | 128.0 GB/s |
Render Config
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon RX 6400 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 768 |
| TMUsDifferent | 128 | 48 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 32 | 12 |
| L1 CacheDifferent | 16 KB (per CU) | 128 KB per Array |
| L2 CacheDifferent | 768 KB | 1024 KB |
| RT CoresDifferent | N/A | 12 |
| L0 CacheDifferent | N/A | 32 KB per WGP |
| L3 CacheDifferent | N/A | 16 MB |
Theoretical Performance
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon RX 6400 |
|---|---|---|
| Pixel RateDifferent | 33.60 GPixel/s | 74.27 GPixel/s |
| Texture RateDifferent | 134.4 GTexel/s | 111.4 GTexel/s |
| FP32 (float)Different | 4.301 TFLOPS | 3.565 TFLOPS |
| FP64 (double)Different | 1,075.2 GFLOPS (1:4) | 222.8 GFLOPS (1:16) |
| FP16 (half)Different | N/A | 7.130 TFLOPS (2:1) |
Board Design
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon RX 6400 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 275 mm10.8 inches | N/A |
| HeightDifferent | 111 mm4.4 inches | N/A |
| WidthDifferent | 38 mm1.5 inches | N/A |
| TDPDifferent | 300 W | 53 W |
| Suggested PSUDifferent | 700 W | 250 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 1x HDMI 2.11x DisplayPort 1.4a |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | None |
| Board NumberDifferent | 109-C38637-00 | D634 |
Graphics Features
| Feature | AMD Radeon HD 7970 GHz Edition | AMD Radeon RX 6400 |
|---|---|---|
| DirectXDifferent | 12 (11_1) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 2.1 (1.2) | 2.2 |
| VulkanDifferent | 1.2.170 | 1.3 |
| Shader ModelDifferent | 6.5 (5.1) | 6.8 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
53
Detailed Features
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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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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