Intel Core i5-4440 Intel Core i7-1255U
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Intel Core i5-4440 vs Intel Core i7-1255U

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Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 2 - 48 %
Intel Core i5-4440
Rank 1 - 100 %
Intel Core i7-1255U
Multi-core performance
Rank 2 - 38 %
Intel Core i5-4440
Rank 1 - 100 %
Intel Core i7-1255U
Geekbench 6 Single-Core

Geekbench 6 Single-Core
Single-core performance

Intel Core i5-4440
4C / 4T · 3.30 GHz
1,002
Intel Core i7-1255U
10C / 12T · 4.70 GHz
2,136
Geekbench 6 Multi-Core

Geekbench 6 Multi-Core
Multi-core performance

Intel Core i5-4440
4C / 4T · 3.20 GHz
3,114
Intel Core i7-1255U
10C / 12T · 2.70 GHz
6,908
Geekbench 5, 64bit Single-Core

Geekbench 5, 64bit Single-Core
Single-core performance

Intel Core i5-4440
4C / 4T · 3.30 GHz
786
Intel Core i7-1255U
10C / 12T · 4.70 GHz
1,603
Geekbench 5, 64bit Multi-Core

Geekbench 5, 64bit Multi-Core
Multi-core performance

Intel Core i5-4440
4C / 4T · 3.20 GHz
2,656
Intel Core i7-1255U
10C / 12T · 2.70 GHz
7,612
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Core i5-4440
Intel HD Graphics 4600
352
Intel Core i7-1255U
Intel Iris Xe Graphics 96 (Alder Lake)
1,916
Cinebench R15 (Single-Core)

Cinebench R15 (Single-Core)
Single-core performance

Intel Core i5-4440
4C / 4T · 3.30 GHz
128 cb
Intel Core i7-1255U
10C / 12T · 4.70 GHz
245 cb
Cinebench R15 (Multi-Core)

Cinebench R15 (Multi-Core)
Multi-core performance

Intel Core i5-4440
4C / 4T · 3.20 GHz
462 cb
Intel Core i7-1255U
10C / 12T · 2.70 GHz
1,498 cb

More benchmarks

At a glance

Wischen
Intel Core i5-4440Intel Core i7-1255U
FamilyIntel Core i5 (336)Intel Core i7 (300)
CPU groupIntel Core i 4000 (64)Intel Core i 1200P/1200U (21)
ArchitectureHaswell SAlder Lake U
Technology22 nm10 nm
SegmentDesktopNotebook
SocketLGA 1150BGA 1744
Predecessor
SuccessorIntel Core i7-1355U

CPU Cores and Base Frequency

Wischen
Intel Core i5-4440Intel Core i7-1255U
CPU Cores / Threads4 / 410 / 12
Hyperthreading / SMT
Core architecturenormalhybrid (big.LITTLE)
Core Cluster 1: 4x
3.10 - 3.30 GHz
2x Golden Cove
1.70 - 4.70 GHz
Core Cluster 2: 8x Gracemont
1.20 - 3.50 GHz
L2-Cache6.50 MB
L3-Cache6.00 MB12.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core i5-4440Intel Core i7-1255U
GPU nameIntel HD Graphics 4600Intel Iris Xe Graphics 96 (Alder Lake)
GPU frequency0.35 - 1.10 GHz0.35 - 1.25 GHz
CUs / Shader20 / 16096 / 768
Raytracing
Max. displays34
Max. GPU Memory2 GB32 GB
Technology22 nm10 nm
Release dateQ2/2013Q1/2022

NPU AI performance

Wischen
Intel Core i5-4440Intel Core i7-1255U
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Core i5-4440Intel Core i7-1255U
MemoryDDR3-1600 (25.6 GB/s)
LPDDR5-5200 (83.2 GB/s)
DDR5-4800 (76.8 GB/s)
LPDDR4X-4266 (68.2 GB/s)
DDR4-3200 (51.2 GB/s)
Max. Memory32 GB64 GB
Memory channels22
ECCNoNo
PCIe3.0 x 164.0 x 28
PCIe Bandwidth15.8 GB/s55.1 GB/s

Thermal Management

Wischen
Intel Core i5-4440Intel Core i7-1255U
TDP84 W15 W
TDP (PL2)55 W
TDP up
TDP down
T. junction max.100 °C

Technical details

Wischen
Intel Core i5-4440Intel Core i7-1255U
Chip designMonolithicMonolithic
AES-NI
Operating systemsWindows 10, LinuxWindows 10, Windows 11, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsSSE4.1, SSE4.2, AVX2SSE4.1, SSE4.2, AVX2
Release dateQ3/2013Q1/2022
Release price160 $
DocumentsTechnical data sheetTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i5-4440 is 4.1 stars (30 ratings), while Intel Core i7-1255U has received 4.1 stars (119 ratings).

Click on the stars to rate one or both processors.

Intel Core i5-4440
Intel Core i5-4440
4C / 4T · 3.10 - 3.30 GHz
Intel Core i7-1255U
Intel Core i7-1255U
10C / 12T · 1.70 - 4.70 GHz

Most popular CPUs in both categories

Intel Core i5-4440
Intel Core i5-4440
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