Intel Core i9-7940X vs Intel Core i5-2450P

Comparative analysis of Intel Core i9-7940X and Intel Core i5-2450P processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score.

Intel Core i9-7940X

Intel Core i5-2450P

Differences

Reasons to consider the Intel Core i9-7940X

CPU is newer: launch date 5 year(s) 8 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
10 more cores, run more applications at once: 14 vs 4
24 more threads: 28 vs 4
Around 23% higher clock speed: 4.30 GHz vs 3.50 GHz
Around 40% higher maximum core temperature: 102°C vs 72.6°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
3.5x more L1 cache, more data can be stored in the L1 cache for quick access later
14x more L2 cache, more data can be stored in the L2 cache for quick access later
3.2x more L3 cache, more data can be stored in the L3 cache for quick access later
4x more maximum memory size: 128 GB vs 32 GB
Around 48% better performance in PassMark - Single thread mark: 2491 vs 1679
6.2x better performance in PassMark - CPU mark: 25987 vs 4203
Around 41% better performance in Geekbench 4 - Multi-Core: 12928 vs 9180

Specifications (specs)
Launch date	September 2017 vs January 2012
Unlocked	Unlocked vs Locked
Number of cores	14 vs 4
Number of threads	28 vs 4
Maximum frequency	4.30 GHz vs 3.50 GHz
Maximum core temperature	102°C vs 72.6°C
Manufacturing process technology	14 nm vs 32 nm
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	1024 KB (per core) vs 256 KB (per core)
L3 cache	19712 KB (shared) vs 6144 KB (shared)
Maximum memory size	128 GB vs 32 GB
Benchmarks
PassMark - Single thread mark	2491 vs 1679
PassMark - CPU mark	25987 vs 4203
Geekbench 4 - Multi-Core	12928 vs 9180

Reasons to consider the Intel Core i5-2450P

Around 74% lower typical power consumption: 95 Watt vs 165 Watt
2.8x better performance in Geekbench 4 - Single Core: 3268 vs 1153

Specifications (specs)
Thermal Design Power (TDP)	95 Watt vs 165 Watt
Benchmarks
Geekbench 4 - Single Core	3268 vs 1153

Compare benchmarks

CPU 1: Intel Core i9-7940X
CPU 2: Intel Core i5-2450P

PassMark - Single thread mark

CPU 1

CPU 2

2491

1679

PassMark - CPU mark

CPU 1

CPU 2

25987

4203

Geekbench 4 - Single Core

CPU 1

CPU 2

1153

3268

Geekbench 4 - Multi-Core

CPU 1

CPU 2

12928

9180

Name	Intel Core i9-7940X	Intel Core i5-2450P
PassMark - Single thread mark	2491	1679
PassMark - CPU mark	25987	4203
Geekbench 4 - Single Core	1153	3268
Geekbench 4 - Multi-Core	12928	9180
3DMark Fire Strike - Physics Score	10950

Compare specifications (specs)

	Intel Core i9-7940X	Intel Core i5-2450P
Essentials
Architecture codename	Skylake	Sandy Bridge
Launch date	September 2017	January 2012
Launch price (MSRP)	$1,399	$215
Place in performance rating	746	758
Price now	$1,129.99	$89.99
Processor Number	i9-7940X	i5-2450P
Series	Intel® Core™ X-series Processors	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Value for money (0-100)	6.63	20.11
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.10 GHz	3.20 GHz
Bus Speed	8 GT/s DMI3	5 GT/s DMI
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	1024 KB (per core)	256 KB (per core)
L3 cache	19712 KB (shared)	6144 KB (shared)
Manufacturing process technology	14 nm	32 nm
Maximum core temperature	102°C	72.6°C
Maximum frequency	4.30 GHz	3.50 GHz
Number of cores	14	4
Number of QPI Links	0
Number of threads	28	4
Unlocked
Die size		216 mm
Transistor count		1160 million
Memory
Max memory channels	4	2
Maximum memory size	128 GB	32 GB
Supported memory types	DDR4-2666	DDR3 1066/1333
Maximum memory bandwidth		21 GB/s
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Sockets supported	FCLGA2066	LGA1155
Thermal Design Power (TDP)	165 Watt	95 Watt
Thermal Solution	PCG 2017X
Package Size		37.5mm x 37.5mm
Peripherals
Max number of PCIe lanes	44	16
PCI Express revision	3.0	2.0
Scalability	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Number of AVX-512 FMA Units	2
Flexible Display interface (FDI)
Idle States
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Graphics interfaces
Wireless Display (WiDi) support