Intel Core i5-1245U vs Intel Core i5-2520M

Comparative analysis of Intel Core i5-1245U and Intel Core i5-2520M processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, 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).

Intel Core i5-1245U

Intel Core i5-2520M

Differences

Reasons to consider the Intel Core i5-1245U

CPU is newer: launch date 11 year(s) 0 month(s) later
8 more cores, run more applications at once: 10 vs 2
8 more threads: 12 vs 4
Around 38% higher clock speed: 4.40 GHz vs 3.20 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 32 nm
6.3x more L1 cache, more data can be stored in the L1 cache for quick access later
25x more L2 cache, more data can be stored in the L2 cache for quick access later
4x more L3 cache, more data can be stored in the L3 cache for quick access later
4x more maximum memory size: 64 GB vs 16 GB
2.3x lower typical power consumption: 15 Watt vs 35 Watt
2.3x better performance in PassMark - Single thread mark: 3105 vs 1360
5.9x better performance in PassMark - CPU mark: 13287 vs 2248

Specifications (specs)
Launch date	23 Feb 2022 vs 20 February 2011
Number of cores	10 vs 2
Number of threads	12 vs 4
Maximum frequency	4.40 GHz vs 3.20 GHz
Manufacturing process technology	7 nm vs 32 nm
L1 cache	800 KB vs 128 KB
L2 cache	12.5 MB vs 512 KB
L3 cache	12 MB vs 3072 KB
Maximum memory size	64 GB vs 16 GB
Thermal Design Power (TDP)	15 Watt vs 35 Watt
Benchmarks
PassMark - Single thread mark	3105 vs 1360
PassMark - CPU mark	13287 vs 2248

Compare benchmarks

CPU 1: Intel Core i5-1245U
CPU 2: Intel Core i5-2520M

PassMark - Single thread mark

CPU 1

CPU 2

3105

1360

PassMark - CPU mark

CPU 1

CPU 2

13287

2248

Name	Intel Core i5-1245U	Intel Core i5-2520M
PassMark - Single thread mark	3105	1360
PassMark - CPU mark	13287	2248
Geekbench 4 - Single Core		542
Geekbench 4 - Multi-Core		1187
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		1.877
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		30.827
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.217
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.881
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2.055

Compare specifications (specs)

	Intel Core i5-1245U	Intel Core i5-2520M
Essentials
Architecture codename	Alder Lake	Sandy Bridge
Launch date	23 Feb 2022	20 February 2011
Launch price (MSRP)	$309	$225
Place in performance rating	619	2845
Processor Number	i5-1245U	i5-2520M
Series	12th Generation Intel Core i5 Processors	Legacy Intel® Core™ Processors
Vertical segment	Mobile	Mobile
Price now		$169.60
Status		Launched
Value for money (0-100)		6.23
Performance
64 bit support
L1 cache	800 KB	128 KB
L2 cache	12.5 MB	512 KB
L3 cache	12 MB	3072 KB
Manufacturing process technology	7 nm	32 nm
Maximum core temperature	100°C	100 C
Maximum frequency	4.40 GHz	3.20 GHz
Number of cores	10	2
Number of threads	12	4
Base frequency		2.50 GHz
Bus Speed		5 GT/s DMI
Die size		149 mm
Transistor count		624 Million
Memory
Max memory channels	2	2
Maximum memory size	64 GB	16 GB
Supported memory types	Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s Up to LPDDR5 5200 MT/s Up to LPDDR4x 4267 MT/s	DDR3 1066/1333
Maximum memory bandwidth		21.3 GB/s
Graphics
Device ID	0x46A8	0x116
Execution Units	80
Graphics max dynamic frequency	1.20 GHz	1.30 GHz
Intel® Quick Sync Video
Processor graphics	Intel Iris Xe Graphics eligible	Intel® HD Graphics 3000
Graphics base frequency		650 MHz
Graphics max frequency		1.3 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Graphics interfaces
Number of displays supported	4	2
CRT
DisplayPort
eDP
HDMI
SDVO
Wireless Display (WiDi) support
Graphics image quality
Max resolution over DisplayPort	7680 x 4320 @ 60Hz
Max resolution over eDP	4096 x 2304 @ 120Hz
Graphics API support
DirectX	12.1
OpenGL	4.6
Compatibility
Max number of CPUs in a configuration	1	1
Package Size	50 x 25	37.5mm x 37.5mm (rPGA988B); 31mm x 24mm (BGA1023)
Sockets supported	FCBGA1744	PPGA988
Thermal Design Power (TDP)	15 Watt	35 Watt
Low Halogen Options Available
Peripherals
Max number of PCIe lanes	20	16
PCI Express revision		2.0
PCIe configurations		1x16, 2x8, 1x8+2x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Secure Boot
Anti-Theft technology
Intel® Identity Protection technology
Advanced Technologies
Instruction set extensions	Intel SSE4.1, Intel SSE4.2, Intel AVX2	Intel® AVX
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Volume Management Device (VMD)
Speed Shift technology
Thermal Monitoring
4G WiMAX Wireless
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® My WiFi technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)