AMD Ryzen 7 9700X tested: More economical, but only moderately faster
The Zen 5 eight-core starts with a moderate increase in performance, but is beaten by the Ryzen 7 7800X3D in games. It requires less energy in idle mode.
(Image: AMD)
Due to unspecified quality problems, AMD has brought forward the launch of the Ryzen 9000 processors and split them up. The Ryzen 5 9600X with six and the Ryzen 7 9700X with eight Zen 5 cores will go on sale tomorrow, August 8. One week later, on August 15, the top model Ryzen 9 9950X with 16 CPU cores and the 12-core Ryzen 9 9900X will follow.
AMD gave us the opportunity to test the eight-core Ryzen 7 9700X in advance. We compared it with the Ryzen 7 7700 from the previous generation because both have the same thermal budget of 65 watts. In addition to the new Zen 5 architecture, the Ryzen 9700X also clocks up to 200 MHz faster in Turbo mode. This means that the Ryzen 7 9700X calculates around 16 percent faster than its Zen 4 counterpart in the single-threaded rating of the Cinebench 2024 rendering benchmark. When all cores are under load, the power limit is limited so that the lead over the Ryzen 7 7700 shrinks to eight percent.
| Ryzen-9000-Prozessoren fĂĽr AM5 | ||||||
| CPU | Kerne/Threads | Basistakt | Turbotakt | L3-Cache | TDP/PPT | Preis |
| Ryzen 9 9950X | 16 / 32 | 4,3 GHz | 5,7 GHz | 64 MByte | 170 W / 200 W | ab 15.08.24 |
| Ryzen 9 9900X | 12 / 24 | 4,4 GHz | 5,6 GHz | 64 MByte | 120 W / 162 W | ab 15.08.24 |
| Ryzen 7 9700X | 8 / 16 | 3,8 GHz | 5,5 GHz | 32 MByte | 65 W / 88 W | 399 € |
| Ryzen 5 9600X | 6 / 12 | 3,9 GHz | 5,4 GHz | 32 MByte | 65 W / 88 W | 309 € |
| TDP: Thermal Design Power, PPT: Package Power Tracking | ||||||
The Ryzen 7 9700X achieves the greatest increase in floating point (FP) operations. Because the Zen 5 architecture now processes AVX512 instructions in one clock cycle, the computing power doubles to 1.3 TFLOPS with twice the precision. However, because only a few application programs use AVX512, performance usually only increases by 5 to 16 percent.
Ryzen 7 7800X3D further ahead in games
In 3D games, the Zen 5 eight-core has to admit defeat to the Ryzen 7 7800X3D with additional stacked level 3 cache despite its improvements. With a GeForce RTX 4090, the frame rate at Full-HD resolution with the Ryzen 7 9700X is 5 to 20 percent behind the X3D CPU with the predecessor architecture, depending on the title. Gamers should therefore wait for the Ryzen 9000X3D, which is expected in the coming months.
| Ryzen 7 9700X: Benchmarks und Messwerte | |||
| Prozessor | Kerne / Threads | Takt / Turbo | Leistungsaufnahme: Leerlauf / Volllast [Watt] |
| Ryzen 7 9700X | 8 / 16 | 3,8 / 5,5 GHz | 37 / 127 |
| Ryzen 7 7700 | 8 / 16 | 3,8 / 5,3 GHz | 46 / 125 |
| Ryzen 7 7800X3D | 8 / 16 | 4,2 / 5,0 GHz | 45 / 123 |
| Core i5-14500 | 6P+8E / 20 | 2,6 / 5,0 GHz | 30 / 108 (Peak: 228) |
Thanks to the improved TSMC N4 production technology instead of N5, the Zen 5 processor calculates more efficiently and also requires less energy in idle mode. On the Asus TUF Gaming X670E-Plus AM5 motherboard we used, the Ryzen 7 9700X consumed 38 watts, which is 8 watts less than the Ryzen 7 7700.
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AMD makes the Zen 5 eight-core processor expensive with a recommended retail price of 399 euros. The Ryzen 7 9700X therefore costs around 100 euros more than the Ryzen 7 7700 currently costs in stores, but only offers significant performance advantages over its predecessor in single-threaded applications.
A comprehensive test of the Ryzen 9000, including a detailed analysis of the Zen 5 architecture, will follow as soon as we have received and tested the other models.
(chh)
