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Intel Core i7-6650U vs Intel Core i5-2500

Last updated: 2026-07-04

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 1 - 100 %

Intel Core i7-6650U

Rank 2 - 74 %

Intel Core i5-2500

Multi-core performance

Rank 2 - 92 %

Intel Core i7-6650U

Rank 1 - 100 %

Intel Core i5-2500

Geekbench 6 Single-Core
Single-core performance

2C / 4T · 3.40 GHz

1,092

4C / 4T · 3.70 GHz

633

Geekbench 6 Multi-Core
Multi-core performance

2C / 4T · 2.80 GHz

2,146

4C / 4T · 3.30 GHz

1,845

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

2C / 4T · 3.40 GHz

820

4C / 4T · 3.70 GHz

737

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

2C / 4T · 2.80 GHz

1,846

4C / 4T · 3.30 GHz

2,425

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Iris Graphics 540

806

Intel HD Graphics 2000

106

More benchmarks

Cinebench R23 (SC)
690 entries

Cinebench R23 (MC)
665 entries

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Geekbench 5 (SC)
2,512 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

3DMark Timespy (iGPU)
534 entries

PassMark CPU-Mark
2,504 entries

CPU-Z Benchmark 17 (SC)
250 entries

CPU-Z Benchmark 17 (MC)
751 entries

Cinebench R15 (SC)
1,113 entries

Cinebench R15 (MC)
1,110 entries

Geekbench 3 (SC)
945 entries

Geekbench 3 (MC)
941 entries

Cinebench R11.5 (SC)
826 entries

Cinebench R11.5 (MC)
837 entries

Specifications

At a glance

Wischen	Intel Core i7-6650U	Intel Core i5-2500
Family	Intel Core i7 (300)	Intel Core i5 (336)
CPU group	Intel Core i 6000U (20)	Intel Core i 2000 (28)
Architecture	Skylake U	Sandy Bridge S
Technology	14 nm	32 nm
Segment	Notebook	Desktop
Socket	BGA 1356	LGA 1155
Predecessor	Intel Core i7-5650U
Successor

CPU Cores and Base Frequency

Wischen	Intel Core i7-6650U	Intel Core i5-2500
CPU Cores / Threads	2 / 4	4 / 4
Hyperthreading / SMT	✓	✗
Core architecture	normal	normal
Cores:	2x	4x
Frequency:	2.20 GHz	3.30 GHz
Turbo (1 Core):	3.40 GHz	3.70 GHz
Turbo (All Cores):	2.80 GHz
L2-Cache
L3-Cache	4.00 MB	6.00 MB
Overclocking	✗	✗

Integrated graphics (iGPU)

Wischen	Intel Core i7-6650U	Intel Core i5-2500
GPU name	Intel Iris Graphics 540	Intel HD Graphics 2000
GPU frequency	0.30 - 1.05 GHz	0.85 - 1.10 GHz
CUs / Shader	48 / 384	6 / 48
Raytracing	✗	✗
Max. displays	3	2
Max. GPU Memory	32 GB	2 GB
Technology	14 nm	32 nm
Release date	Q3/2015	Q1/2011

NPU AI performance

Wischen	Intel Core i7-6650U	Intel Core i5-2500
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Core i7-6650U	Intel Core i5-2500
Memory	DDR4-2133 (34.1 GB/s) LPDDR3-1866 (29.9 GB/s) DDR3L-1600 (25.6 GB/s)	DDR3-1333 (21.3 GB/s)
Max. Memory	32 GB	32 GB
Memory channels	2	2
ECC	No	No
PCIe	3.0 x 12	2.0 x 16
PCIe Bandwidth	11.8 GB/s	8.0 GB/s

Thermal Management

Wischen	Intel Core i7-6650U	Intel Core i5-2500
TDP	15 W	95 W
TDP (PL2)
TDP up
TDP down	9.5 W
T. junction max.	100 °C

Technical details

Wischen	Intel Core i7-6650U	Intel Core i5-2500
Chip design	Monolithic	Monolithic
AES-NI	✓	✓
Operating systems	Windows 10, Linux	Windows 10, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2, AVX2	SSE4.1, SSE4.2, AVX
Release date	Q3/2015	Q1/2011
Release price	415 $
Documents	Technical data sheet	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i7-6650U is 3.0 stars (1 ratings), while Intel Core i5-2500 has received 4.3 stars (28 ratings).

Click on the stars to rate one or both processors.

Intel Core i7-6650U
2C / 4T · 2.20 - 3.40 GHz

★★★★★

Intel Core i5-2500
4C / 4T · 3.30 - 3.70 GHz

★★★★★