Intel Core i9-12900K vs Intel Core Ultra 9 285K
vs
Faster
Intel
Overall performance index
90,8
Rank 2 of 27 CPUs tested
MSRP US$589
Intel Core Ultra 9 285K is 22,8% faster on average
Intel Core i9-12900K
Intel Core Ultra 9 285K
Individual tests: Intel Core i9-12900K wins 0, Intel Core Ultra 9 285K wins 27 (27 shared tests)
Performance by discipline
Gaming (720p)
+18,2 %
292,8fps
357,8fps
Multi-thread
+29,2 %
102,4points
144,6points
Single-thread
+20,6 %
126,6points
159,5points
Benchmarks
Intel Core i9-12900K
Intel Core Ultra 9 285K
Other tested CPUs
Click a row to open the chart with every CPU tested; hover shows the gap in %.
Gaming (720p) – all CPUs tested
Intel Core Ultra 9 285K +22,2 %Individual results (10 tests)
VR Mark Orange Room 18.147 points 20.465 points +12,8 %
VR Mark Blue Room 6.363 points 6.472 points +1,7 %
Unigine Superposition 1.1 720p Low Punkte 45.316 points 46.363 points +2,3 %
Unigine Superposition720p, Low,FPS 338,9 fps 346,8 fps +2,3 %
Shadow of the Tomb RaiderLite, 720p 233,0 fps 304,0 fps +30,5 %
Final Fantasy XV Benchmark720p, Low 23.095 points 23.677 points +2,5 %
Resident Evil VILLAGE720p, Lite, DX12 343,9 fps 400,0 fps +16,3 %
Metro Exodus Enhanced Edition720p, Low, Moscow 255,2 fps 380,3 fps +49,0 %
Fortnite720p, Low 508,2 fps –
Counter-Strike 2 372,9 fps 383,5 fps +2,8 %
Multi-thread – all CPUs tested
Intel Core Ultra 9 285K +41,2 %Individual results (16 tests)
7-ZipMIPS) 32 MB 122.953 MIPS 186.169 MIPS +51,4 %
Corona 1.3lower is better 55,0 s 40,0 s +37,5 %
HandBrake4GB Video-> HQ1080P30fpslower is better 815,0 s 610,0 s +33,6 %
WinRAR 6.0164-Bit-Version 34.523 KB/s 45.399 KB/s +31,5 %
Cinebench R15 Multi-Core 4.051 points 6.437 points +58,9 %
Cinebench R20 Multi-Core 10.540 points 16.675 points +58,2 %
3D Mark Time Spy ExtremeCPU 9.159 points 14.332 points +56,5 %
3D Mark Time SpyCPU 18.464 points 18.744 points +1,5 %
3DMark CPU BenchmarkMax Threads 11.769 points 19.042 points +61,8 %
3DMark CPU Benchmark16 Threads 10.311 points 15.050 points +46,0 %
3DMark CPU Benchmark8 Threads 7.731 points 9.770 points +26,4 %
3DMark CPU Benchmark4 Threads 4.139 points 5.274 points +27,4 %
3DMark CPU Benchmark2 Threads 2.111 points 2.733 points +29,5 %
Geekbench 5.5.1 CPUMulti-Thread 18.143 points 27.139 points +49,6 %
POV-Ray v3.7Multi-Thread 9.045 px/s 15.289 px/s +69,0 %
Cinebench R23 n-CoreMulti-Thread – 42.618 points
Single-thread – all CPUs tested
Intel Core Ultra 9 285K +25,9 %Individual results (4 tests)
3DMark CPU Benchmark1 Thread 1.063 points 1.397 points +31,4 %
Geekbench 5.5.1 CPUSingle-Thread 2.000 points 2.458 points +22,9 %
POV-Ray v3.7Single-Thread 736,0 px/s 930,0 px/s +26,4 %
Cinebench R23 1-CoreSingle-Thread – 2.417 points
Price / performance
Each dot is a CPU we tested – the further top-left, the more performance per euro.
Specifications
Key details
| Intel Core i9-12900K | Intel Core Ultra 9 285K | |
|---|---|---|
| Codename | Alder Lake | Arrow Lake |
| Series | Core 12000 | Core Ultra 200 |
| Release | Q4 2021 | Q4 2024 |
| Launch MSRP | US$648 | US$589 |
| Unlocked multiplier | Yes | Yes |
Cores, clocks and cache
| Intel Core i9-12900K | Intel Core Ultra 9 285K | |
|---|---|---|
| Cores / threads | 16 | 24 |
| Threads | 24 | 24 |
| Performance cores | 8 | 8 |
| Efficient cores | 8 | 16 |
| Base clock | 3.2 GHz | 3.7 GHz |
| Max boost clock | 5.2 GHz | 5.7 GHz |
| L2 cache | 14 MB | 40 MB |
| L3 cache | 30 MB | 36 MB |
Power and manufacturing
| Intel Core i9-12900K | Intel Core Ultra 9 285K | |
|---|---|---|
| TDP / base power | 125 W | 125 W |
| Max turbo power | 241 W | 250 W |
| Process | Intel 7 | n/a |
| Max temperature (Tjmax) | 100 °C | 105 °C |
Platform and connectivity
| Intel Core i9-12900K | Intel Core Ultra 9 285K | |
|---|---|---|
| Socket | LGA1700 | LGA1851 |
| Memory | Up to DDR5 4800 MT/s, Up to DDR4 3200 MT/s | Up to DDR5 6400 MT/s |
| Memory channels | 2 | 2 |
| PCI Express | PCIe 5.0 and 4.0 | PCIe 5.0 and 4.0 |
| PCIe lanes | 20 | 24 |
| Integrated graphics | Intel UHD Graphics 770 | Intel Graphics |
Our measurements
| Intel Core i9-12900K | Intel Core Ultra 9 285K | |
|---|---|---|
| System power idle | 101 W | 90 W |
| System power load | 351 W | 311 W |
| CPU package idle | 18 W | 17.8 W |
| CPU package load | 212 W | 189 W |
| Temperature idle | 29 °C | 36 °C |
| Temperature load | 86 °C | 71 °C |
| Highest measured clock | 5000 MHz | 5700 MHz (P) / 4600 MHz (E) |
Test system
| Intel Core i9-12900K | Intel Core Ultra 9 285K | |
|---|---|---|
| Test configuration | n/a | GameTurbo |
| Motherboard | n/a | ASUS ROG Strix Z890-F Gaming Wifi |
| Memory | n/a | Lexar ARES RGB Black DIMM Kit 32GB, DDR5-6400 |
| CPU cooler | n/a | DeepCool LS720 |
| Operating system | Windows 11 21H2 | Windows 11 23H2 |
| Settings | DDR5-5200 | DDR5-6400, Ultimate Leistung, Intel Presets, 10.1.19867.8574 chipset · GameTurbo EnergyProfil |
Buy
Intel Core i9-12900K
No offer in our shop network right now.
MSRP: US$648
Intel Core Ultra 9 285K
No offer in our shop network right now.
MSRP: US$589
