An Intel Core-i9 12900K CPU is used as the test platform. The E-cores are disabled, the P-cores are overclocked to 5.1 and the cache to 4.9 GHz. While this is not the absolute maximum of silicon, it is a healthy middle ground that should be achievable with most CPUs, motherboards and coolers. Since there are still compatibility issues at least with my sample of the Asus Maximus Z690 Apex motherboard, I used the alternatives from Gigabyte and MSI for today’s review. The performance measurements are ultimately performed on the MSI MEG Z690 Unify-X with BIOS A12U4.
For comparison, the charts include the results from the past test of the Corsair Dominator DDR5 modules, as well as the reference configs including DDR4. This is run with tight timings in the Gear 1 and thus gives us a good comparison, especially for latency-sensitive use cases. The complete timings I have here again for you:
The full list of hardware used follows as always:
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Housing: |
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For better clarity, the following abbreviations are used in the diagrams:
- 12900K: Intel Core i9-12900K CPU
- 51/0/49: Multipliers for P-cores x51, E-cores 0 (deactivated), cache x49 at BCLK 100 MHz
- XPGL: XPG LANCER RGB DDR5 modules from ADATA
- DPR: Dominator Platinum RGB DDR5 modules from Corsair
- FB: Fury Beast DDR5 modules from Kingston
- DR: Dual-Rank, if not specified Single-Rank
- 3600c14: DDR4 configuration with 3600 Mbps and tCL timing 14, see screenshot above for all timings
- 5600c36: DDR5 configuration with 5600 Mbps and tCL timing 36, see screenshot on the next page for all timings
- 6800c32: DDR5 configuration with 6800 Mbps and tCL timing 32, see screenshot on the next page for all timings
- 6800c30: DDR5 configuration with 6800 Mbps and tCL timing 30, see screenshot on the next page for all timings
- 1T, 2T: Command rate 1T or 2T
- *: completely manually set subtimings, see screenshots
- ❄: active cooling with a 120 mm fan on the RAM modules
- G1, G2: Gear 1, Gear2 – ratio between IMC clock and RAM clock, Gear 1 = 1:1, Gear 2 = 1:2
- 1 - Unboxing and design
- 2 - Dimensions and SPD information
- 3 - Teardown and PCB analysis
- 4 - Test systems and methodology
- 5 - Heatsink peformance and overclocking potential
- 6 - Synthetics – AIDA64, Geekbench 3, SPI32M, LinpackXtreme
- 7 - Gaming – SoTR, CS: GO, Cyberpunk 2077
- 8 - RGB lighting and conclusion
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