Intel Core i3 1305U vs Intel Core Ultra 5 250K Plus
CPU · Specs Compare
General Parameters
Release Date
Jan 2023
Mar 2026
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Raptor Lake
Arrow Lake
Processor Number
i3-1305U
250K+
Integrated Graphics
UHD Graphics (64EU)
Arc iGPU (4-Cores)
Package
Manufacturing Process
10 nm
3 nm
Socket
BGA-1744
FCLGA-1851
Power Consumption
12-15 W
125 W
Max Turbo Power Consumption
55 W
159 W
Peak Operating Temperature
100°C
105 °C
Transistor Count
—
17.8 billions
CPU Performance
Performance Cores
1
6
Performance Core Threads
2
6
Performance Core Base Frequency
1.6 GHz
4.2 GHz
Performance Core Turbo Frequency
4.5 GHz
5.3 GHz
Efficiency Cores
4
12
Efficiency Core Threads
4
12
Efficiency Core Base Frequency
1.3 GHz
3.3 GHz
Efficiency Core Turbo Frequency
3.3 GHz
4.6 GHz
Total Core Count
5
18
Total Thread Count
6
18
Bus Frequency
100 MHz
100 MHz
Multiplier
16x
42
L1 Cache
80 K per core
192 K per core
L2 Cache
1280 K per core
3 MB per core
L3 Cache
10 MB shared
30 MB shared
Unlocked Multiplier
No
Yes
Memory Parameters
Memory Types
DDR5-5200, DDR4-3200, LPDDR5-5200, LPDDR5x-5200, LPDDR4x-4267
DDR5-7200
Max Memory Size
64 GB
—
Max Memory Channels
2
—
Max Memory Bandwidth
76.8 GB/s
115.2 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
300 MHz
GPU Max Dynamic Frequency
1250 MHz
1900 MHz
Shader Units
512
512
Texture Units
32
32
Raster Operation Units
16
16
Execution Units
64
64
Power Consumption
45 W
14
Miscellaneous
PCIe Version
4.0
5.0
PCIe Lanes
20
24
Benchmark
Cinebench R23
1,593
2,319
Cinebench R23
4,392
28,965
Geekbench 6
1,803
3,231
Geekbench 5
1,526
—
Geekbench 6
3,566
21,067
Geekbench 5
5,000
—
Blender
26
—
Cinebench 2024
—
141
Cinebench 2024
—
1,680
Cinebench 2026
—
7,413
Passmark CPU
—
4,904
Passmark CPU
—
52,031
▲ Specs Compare
Data sourced from official specifications and benchmark tests.