Nvidia RTX 4080 vs AMD RX 7900 XTX
The NVIDIA RTX 4080 has the edge in ray tracing performance and DLSS 3.0 support, while the AMD RX 7900 XTX offers better value for money and DisplayPort 2.1 support. The RTX 4080 is for gamers who want the absolute best ray tracing experience and performance, while the RX 7900 XTX is a better choice for gamers who prioritize value and support for the latest display technology.
NVIDIA RTX 4080
Pros: Excellent ray tracing performance, DLSS 3.0 for significant performance boosts, AV1 encoding support.
Cons: Expensive, relatively high power consumption, only supports PCIe 4.0.
AMD RX 7900 XTX
Pros: Great value for money, good ray tracing performance, supports DisplayPort 2.1 and AV1 encoding.
Cons: Lacks some features like DLSS 3.0, relatively high power consumption.
Overall, the RTX 4080 has the edge in ray tracing performance and DLSS 3.0 support, while the RX 7900 XTX offers better value for money and DisplayPort 2.1 support.
Graphics core
| Release Date | November 16, 2022 | December 13, 2022 |
| Generation | Ada Lovelace | RDNA 3 |
| Applicable type | Desktop | Desktop |
| Processor Number | 9728 | 6144 |
| Bus Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
Memory
| Memory Capacity | 16 GB | 24 GB |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus Width | 256 bit | 384 bit |
| Memory Frequency | 22.5 Gbps | 20 Gbps |
Clock speed
| Base Clock Speed | 2505 MHz | 2300 MHz |
| Boost Clock Speed | 2640 MHz | 2500 MHz |
Render Config
| Number of Stream Processors | 7680 | 6144 |
| Number of Texture Units | 608 | 384 |
| Number of Rasterization Units | 132 | 128 |
Theoretical Performance
| Floating Point Performance | 30 TFLOPS | 61 TFLOPS |
| Integer Performance | 60 TFLOPS | 122 TFLOPS |
| Ray Tracing Performance | 90 TFLOPS | 192 TFLOPS |
Graphics Processor
| Number of Transistors | 45 billion | 58 billion |
| Process Technology | TSMC 4N | TSMC 5N |
| Die Size | 379 mm² | 300 mm² |
Board Design
| Heatsink Type | Air cooler | Air cooler |
| Heatsink Dimensions | 304 x 137 x 61 mm | 320 x 130 x 54 mm |
| Power Connector | 12VHPWR | 2 x 8-pin |