Intel Core i5-2400S vs Intel Core 2 Duo E8400

Comparative analysis of Intel Core i5-2400S and Intel Core 2 Duo E8400 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), 3DMark Fire Strike - Physics Score.

Intel Core i5-2400S

Intel Core 2 Duo E8400

Differences

Reasons to consider the Intel Core i5-2400S

CPU is newer: launch date 3 year(s) 0 month(s) later
2 more cores, run more applications at once: 4 vs 2
Around 10% higher clock speed: 3.30 GHz vs 3 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 19% better performance in PassMark - Single thread mark: 1468 vs 1234
2.6x better performance in PassMark - CPU mark: 3172 vs 1210
Around 42% better performance in Geekbench 4 - Single Core: 599 vs 422
2.4x better performance in Geekbench 4 - Multi-Core: 1790 vs 738
7.5x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 2.484 vs 0.33
2.3x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 60.606 vs 26.311
3.1x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.309 vs 0.099
2.1x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.395 vs 0.68
Around 48% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 3.556 vs 2.408

Specifications (specs)
Launch date	January 2011 vs January 2008
Number of cores	4 vs 2
Maximum frequency	3.30 GHz vs 3 GHz
Manufacturing process technology	32 nm vs 45 nm
L1 cache	64 KB (per core) vs 128 KB
Benchmarks
PassMark - Single thread mark	1468 vs 1234
PassMark - CPU mark	3172 vs 1210
Geekbench 4 - Single Core	599 vs 422
Geekbench 4 - Multi-Core	1790 vs 738
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.484 vs 0.33
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	60.606 vs 26.311
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.309 vs 0.099
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.395 vs 0.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.556 vs 2.408

Reasons to consider the Intel Core 2 Duo E8400

Around 5% higher maximum core temperature: 72.4°C vs 69.1°C
6x more L2 cache, more data can be stored in the L2 cache for quick access later

Maximum core temperature	72.4°C vs 69.1°C
L2 cache	6144 KB vs 256 KB (per core)

Compare benchmarks

CPU 1: Intel Core i5-2400S
CPU 2: Intel Core 2 Duo E8400

PassMark - Single thread mark

CPU 1

CPU 2

1468

1234

PassMark - CPU mark

CPU 1

CPU 2

3172

1210

Geekbench 4 - Single Core

CPU 1

CPU 2

599

422

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1790

738

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

2.484

0.33

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

60.606

26.311

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.309

0.099

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

1.395

0.68

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

3.556

2.408

Name	Intel Core i5-2400S	Intel Core 2 Duo E8400
PassMark - Single thread mark	1468	1234
PassMark - CPU mark	3172	1210
Geekbench 4 - Single Core	599	422
Geekbench 4 - Multi-Core	1790	738
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.484	0.33
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	60.606	26.311
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.309	0.099
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.395	0.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.556	2.408
3DMark Fire Strike - Physics Score		2400

Compare specifications (specs)

	Intel Core i5-2400S	Intel Core 2 Duo E8400
Essentials
Architecture codename	Sandy Bridge	Wolfdale
Launch date	January 2011	January 2008
Launch price (MSRP)	$141
Place in performance rating	2657	2981
Price now	$65.70	$129.95
Processor Number	i5-2400S	E8400
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	22.24	4.87
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.50 GHz	3.00 GHz
Bus Speed	5 GT/s DMI	1333 MHz FSB
Die size	216 mm	107 mm2
L1 cache	64 KB (per core)	128 KB
L2 cache	256 KB (per core)	6144 KB
L3 cache	6144 KB (shared)
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	69.1°C	72.4°C
Maximum frequency	3.30 GHz	3 GHz
Number of cores	4	2
Number of threads	4
Transistor count	1160 million	410 million
Maximum case temperature (TCase)		72 °C
VID voltage range		0.8500V-1.3625V
Memory
Max memory channels	2
Maximum memory bandwidth	21 GB/s
Maximum memory size	32 GB
Supported memory types	DDR3 1066/1333	DDR1, DDR2, DDR3
Graphics
Device ID	0x102
Graphics base frequency	850 MHz
Graphics max dynamic frequency	1.10 GHz
Graphics max frequency	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 2000
Graphics interfaces
Number of displays supported	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	LGA1155	LGA775
Thermal Design Power (TDP)	65 Watt	65 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	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 64
Intel® Advanced Vector Extensions (AVX)
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
FSB parity
Intel® Demand Based Switching
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)