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Intel Core Ultra 5 245K vs Intel Core Ultra 9 285K: Comparison
What is the difference between Core Ultra 5 245K and Core Ultra 9 285K?
L3 cache is where these two genuinely part company, Core Ultra 5 245K 24 MB against Core Ultra 9 285K 36 MB, a 33% lead for Core Ultra 9 285K. Blender Cycles (CPU) backs the spec sheet up. Core Ultra 9 285K scores 562 to 318 over 279 runs, 43% clear. Core Ultra 9 285K also leads on l2 cache, 26 MB on the Core Ultra 5 245K versus 40 MB on the Core Ultra 9 285K.
Which should you buy, Core Ultra 5 245K or Core Ultra 9 285K?
Take the Core Ultra 5 245K for buyers wanting an accessible entry point into Intel's newest Arrow Lake platform with genuine efficiency gains over 14th Gen. It is not the one for buyers upgrading from an existing LGA 1700 system without other reasons to switch, the platform change requires a new motherboard and likely new memory. Take the Core Ultra 9 285K for content creation and heavily multi-threaded productivity desktop builds wanting Intel's newest, most power-efficient flagship. Avoid it for buyers prioritizing maximum gaming frame rates, AMD's 3D V-Cache chips generally lead in gaming-specific benchmarks. Our rating of the Core Ultra 5 245K (7.9/10): the Intel Core Ultra 5 245K is an efficient midrange desktop chip for everyday work, though rivals match it in games for less.
What Core Ultra 5 245K and Core Ultra 9 285K have in common
The common ground is wider than the gap: e-core boost clock, tdp, integrated graphics, socket and socket status are identical here. They match on 21 further specifications as well.
Core Ultra 5 245K vs Core Ultra 9 285K price
The Core Ultra 9 285K asks 91% more, $589 against $309 for the Core Ultra 5 245K.
Do the Core Ultra 5 245K and Core Ultra 9 285K differ on total cores?
Yes. Total Cores reads 14 on the Core Ultra 5 245K versus 24 on the Core Ultra 9 285K.
Is the Form Factor the same on the Core Ultra 5 245K and Core Ultra 9 285K?
It is. Both are listed at Desktop, so it is not a reason to pick one over the other.
Which is cheaper, Core Ultra 5 245K or Core Ultra 9 285K?
The Core Ultra 9 285K asks 91% more, $589 against $309 for the Core Ultra 5 245K.
Specs and benchmarks
Brand
- Intel Core Ultra 5 245K
- Intel
- Intel Core Ultra 9 285K
- Intel
Product Line
- Intel Core Ultra 5 245K
- Core Ultra 5
- Intel Core Ultra 9 285K
- Core Ultra 9
Form Factor
- Intel Core Ultra 5 245K
- Desktop
- Intel Core Ultra 9 285K
- Desktop
Model Number
- Intel Core Ultra 5 245K
- 245K
- Intel Core Ultra 9 285K
- 285K
Codename
- Intel Core Ultra 5 245K
- Arrow Lake-S
- Intel Core Ultra 9 285K
- Arrow Lake-S
Release Year
- Intel Core Ultra 5 245K
- 2024
- Intel Core Ultra 9 285K
- 2024
TDP
- Intel Core Ultra 5 245K
- 125 W
- Intel Core Ultra 9 285K
- 125 W
iGPU
- Intel Core Ultra 5 245K
- Intel Graphics
- Intel Core Ultra 9 285K
- Intel Graphics
Market Segment
- Intel Core Ultra 5 245K
- Desktop
- Intel Core Ultra 9 285K
- Desktop
Microarchitecture
- Intel Core Ultra 5 245K
- Arrow Lake, Core Ultra 200 Series
- Intel Core Ultra 9 285K
- Arrow Lake, Core Ultra 200 Series
Socket
- Intel Core Ultra 5 245K
- FCLGA1851
- Intel Core Ultra 9 285K
- FCLGA1851
Socket Status
- Intel Core Ultra 5 245K
- Current
- Intel Core Ultra 9 285K
- Current
Process Node
- Intel Core Ultra 5 245K
- 3 nm
- Intel Core Ultra 9 285K
- 3 nm
Total Cores
- Intel Core Ultra 5 245K
- 14
- Intel Core Ultra 9 285K
- 24Best
Performance Cores
- Intel Core Ultra 5 245K
- 6
- Intel Core Ultra 9 285K
- 8Best
Efficiency Cores
- Intel Core Ultra 5 245K
- 8
- Intel Core Ultra 9 285K
- 16Best
Total Threads
- Intel Core Ultra 5 245K
- 14
- Intel Core Ultra 9 285K
- 24Best
SMT Enabled
- Intel Core Ultra 5 245K
- No
- Intel Core Ultra 9 285K
- No
P-Core Base Clock
- Intel Core Ultra 5 245K
- 4.2 GHz
- Intel Core Ultra 9 285K
- 3.7 GHz
P-Core Boost Clock
- Intel Core Ultra 5 245K
- 5.2 GHz
- Intel Core Ultra 9 285K
- 5.5 GHz
E-Core Base Clock
- Intel Core Ultra 5 245K
- 3.6 GHz
- Intel Core Ultra 9 285K
- 3.2 GHz
E-Core Boost Clock
- Intel Core Ultra 5 245K
- 4.6 GHz
- Intel Core Ultra 9 285K
- 4.6 GHz
Unlocked Multiplier
- Intel Core Ultra 5 245K
- Yes
- Intel Core Ultra 9 285K
- Yes
L2 Cache
- Intel Core Ultra 5 245K
- 26 MB-35%
- Intel Core Ultra 9 285K
- 40 MBBest
L3 Cache
- Intel Core Ultra 5 245K
- 24 MB-33%
- Intel Core Ultra 9 285K
- 36 MBBest
3D Stacked Cache
- Intel Core Ultra 5 245K
- No
- Intel Core Ultra 9 285K
- No
Base Power
- Intel Core Ultra 5 245K
- 125 W
- Intel Core Ultra 9 285K
- 125 W
Max Turbo Power
- Intel Core Ultra 5 245K
- 159 W
- Intel Core Ultra 9 285K
- 250 W
Memory Type
- Intel Core Ultra 5 245K
- DDR5-6400
- Intel Core Ultra 9 285K
- DDR5-6400
Max Memory Speed
- Intel Core Ultra 5 245K
- 6400 MT/s
- Intel Core Ultra 9 285K
- 6400 MT/s
Memory Channels
- Intel Core Ultra 5 245K
- 2
- Intel Core Ultra 9 285K
- 2
Max Memory Capacity
- Intel Core Ultra 5 245K
- 256 GB
- Intel Core Ultra 9 285K
- 256 GB
ECC Support
- Intel Core Ultra 5 245K
- Yes
- Intel Core Ultra 9 285K
- Yes
Integrated Graphics
- Intel Core Ultra 5 245K
- Yes
- Intel Core Ultra 9 285K
- Yes
iGPU Model
- Intel Core Ultra 5 245K
- Intel Graphics
- Intel Core Ultra 9 285K
- Intel Graphics
iGPU Compute Units
- Intel Core Ultra 5 245K
- 4
- Intel Core Ultra 9 285K
- 4
NPU Peak TOPS
- Intel Core Ultra 5 245K
- 13 TOPS
- Intel Core Ultra 9 285K
- 13 TOPS
Copilot Plus Certified
- Intel Core Ultra 5 245K
- No
- Intel Core Ultra 9 285K
- No
PCIe Generation
- Intel Core Ultra 5 245K
- PCIe 5.0
- Intel Core Ultra 9 285K
- PCIe 5.0
PCIe Lanes
- Intel Core Ultra 5 245K
- 24
- Intel Core Ultra 9 285K
- 24
Launch MSRP
- Intel Core Ultra 5 245K
- $309
- Intel Core Ultra 9 285K
- $589
Retail Availability
- Intel Core Ultra 5 245K
- Boxed Retail
- Intel Core Ultra 9 285K
- Boxed Retail
Benchmarks
- 3D Rendering
Blender Cycles (CPU)
- Intel Core Ultra 5 245K
- 318-43%
- Intel Core Ultra 9 285K
- 562Best
Blender 4.5, Blender Open Data (CC0). Median of monster + junkshop + classroom, combined samples/min.
Renders a 3D scene using every core. Shows speed for 3D and rendering work, not gaming.
- General CPU
Cinebench 2024 (Single-Core)
- Intel Core Ultra 5 245K
- 136-6%
- Intel Core Ultra 9 285K
- 144Best
Renders a 3D scene on one core. Shows how quick the CPU feels in everyday apps and games.
Cinebench R23 (Multi-Core)
- Intel Core Ultra 5 245K
- 25,127-41%
- Intel Core Ultra 9 285K
- 42,663Best
Renders a 3D scene on every core. Shows speed in rendering and other heavy work.
Cinebench R23 (Single-Core)
- Intel Core Ultra 5 245K
- 2,154-9%
- Intel Core Ultra 9 285K
- 2,367Best
Renders a 3D scene on one core. Shows how quick the CPU feels in everyday apps and games.
Which one should you pick?
Choose 245K if you want the higher memory channels (2 vs 2) and the higher PCIe lanes (24 vs 24).
Choose 285K if you want the higher L2 cache (40 MB vs 26 MB), the higher L3 cache (36 MB vs 24 MB) and the higher blender cycles (CPU) (562 vs 318).
Price comparison
| Retailer | Intel Core Ultra 5 245K | Intel Core Ultra 9 285K |
|---|---|---|
| Amazon | $309.00 View on Amazon | $589.00 View on Amazon |
| Newegg | View on Newegg | View on Newegg |
| Micro Center | View on Micro Center | View on Micro Center |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
Intel Core Ultra 5 245K
7.9 / 10 Expert Rating
The Intel Core Ultra 5 245K is an efficient midrange desktop chip for everyday work, though rivals match it in games for less.
Intel Core Ultra 9 285K
8.5 / 10 Expert Rating
The Intel Core Ultra 9 285K is a fast, more efficient flagship for multithreaded work, though its gaming speed trails the best AMD chips.