Intel Core i3-2125 vs Intel Core i5-2405S

Comparative analysis of Intel Core i3-2125 and Intel Core i5-2405S processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core i3-2125

Intel Core i5-2405S

Differences

Reasons to consider the Intel Core i3-2125

CPU is newer: launch date 4 month(s) later
Around 9% better performance in PassMark - Single thread mark: 1570 vs 1434

Specifications (specs)
Launch date	September 2011 vs May 2011
Benchmarks
PassMark - Single thread mark	1570 vs 1434

Reasons to consider the Intel Core i5-2405S

2 more cores, run more applications at once: 4 vs 2
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 52% better performance in PassMark - CPU mark: 3157 vs 2083
Around 7% better performance in Geekbench 4 - Single Core: 615 vs 576
Around 45% better performance in Geekbench 4 - Multi-Core: 1870 vs 1288

Specifications (specs)
Number of cores	4 vs 2
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	6144 KB (shared) vs 3072 KB (shared)
Benchmarks
PassMark - CPU mark	3157 vs 2083
Geekbench 4 - Single Core	615 vs 576
Geekbench 4 - Multi-Core	1870 vs 1288

Compare benchmarks

CPU 1: Intel Core i3-2125
CPU 2: Intel Core i5-2405S

PassMark - Single thread mark

CPU 1

CPU 2

1570

1434

PassMark - CPU mark

CPU 1

CPU 2

2083

3157

Geekbench 4 - Single Core

CPU 1

CPU 2

576

615

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1288

1870

Name	Intel Core i3-2125	Intel Core i5-2405S
PassMark - Single thread mark	1570	1434
PassMark - CPU mark	2083	3157
Geekbench 4 - Single Core	576	615
Geekbench 4 - Multi-Core	1288	1870

Compare specifications (specs)

	Intel Core i3-2125	Intel Core i5-2405S
Essentials
Architecture codename	Sandy Bridge	Sandy Bridge
Launch date	September 2011	May 2011
Launch price (MSRP)	$170	$472
Place in performance rating	2140	2141
Price now	$199	$164.40
Processor Number	i3-2125	i5-2405S
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	5.96	9.07
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.30 GHz	2.50 GHz
Bus Speed	5 GT/s DMI	5 GT/s DMI
Die size	131 mm	216 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	3072 KB (shared)	6144 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	69.1°C	69.1°C
Maximum frequency	3.3 GHz	3.30 GHz
Number of cores	2	4
Number of threads	4	4
Transistor count	504 million	1160 million
Memory
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	21 GB/s
Maximum memory size	32 GB	32 GB
Supported memory types	DDR3 1066/1333	DDR3 1066/1333
Graphics
Device ID	0x112	0x112
Graphics base frequency	850 MHz	850 MHz
Graphics max dynamic frequency	1.10 GHz	1.10 GHz
Graphics max frequency	1.1 GHz	1.1 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel® HD Graphics 3000	Intel® HD Graphics 3000
Graphics interfaces
Number of displays supported	2	2
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA1155	LGA1155, FCLGA1155
Thermal Design Power (TDP)	65 Watt	65 Watt
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	2.0	2.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)