Intel Core i3-1215U vs Intel Core i7-3920XM

Comparative analysis of Intel Core i3-1215U and Intel Core i7-3920XM 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, 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 i3-1215U

Intel Core i7-3920XM

Differences

Reasons to consider the Intel Core i3-1215U

CPU is newer: launch date 9 year(s) 10 month(s) later
2 more cores, run more applications at once: 6 vs 4
Around 16% higher clock speed: 4.40 GHz vs 3.80 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 22 nm
Around 88% more L1 cache; more data can be stored in the L1 cache for quick access later
7.5x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 25% more L3 cache; more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 64 GB vs 32 GB
3.7x lower typical power consumption: 15 Watt vs 55 Watt
Around 68% better performance in PassMark - Single thread mark: 3248 vs 1931
Around 86% better performance in PassMark - CPU mark: 10612 vs 5708

Specifications (specs)
Launch date	23 Feb 2022 vs 23 April 2012
Number of cores	6 vs 4
Maximum frequency	4.40 GHz vs 3.80 GHz
Manufacturing process technology	7 nm vs 22 nm
L1 cache	480 KB vs 256 KB
L2 cache	7.5 MB vs 1024 KB
L3 cache	10 MB vs 8192 KB
Maximum memory size	64 GB vs 32 GB
Thermal Design Power (TDP)	15 Watt vs 55 Watt
Benchmarks
PassMark - Single thread mark	3248 vs 1931
PassMark - CPU mark	10612 vs 5708

Reasons to consider the Intel Core i7-3920XM

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 5% higher maximum core temperature: 105 C vs 100°C

Unlocked	Unlocked vs Locked
Maximum core temperature	105 C vs 100°C

Compare benchmarks

CPU 1: Intel Core i3-1215U
CPU 2: Intel Core i7-3920XM

PassMark - Single thread mark

CPU 1

CPU 2

3248

1931

PassMark - CPU mark

CPU 1

CPU 2

10612

5708

Name	Intel Core i3-1215U	Intel Core i7-3920XM
PassMark - Single thread mark	3248	1931
PassMark - CPU mark	10612	5708
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		18.579
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		21.159
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.762
CompuBench 1.5 Desktop - Video Composition (Frames/s)		3.86
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		6.94

Compare specifications (specs)

	Intel Core i3-1215U	Intel Core i7-3920XM
Essentials
Architecture codename	Alder Lake	Ivy Bridge
Launch date	23 Feb 2022	23 April 2012
Launch price (MSRP)	$309	$1,096
Place in performance rating	582	2018
Processor Number	i3-1215U	i7-3920XM
Series	12th Generation Intel Core i3 Processors	Intel® Core™ X-series Processors
Vertical segment	Mobile	Mobile
Price now		$1,096
Status		Launched
Value for money (0-100)		2.46
Performance
64 bit support
L1 cache	480 KB	256 KB
L2 cache	7.5 MB	1024 KB
L3 cache	10 MB	8192 KB
Manufacturing process technology	7 nm	22 nm
Maximum core temperature	100°C	105 C
Maximum frequency	4.40 GHz	3.80 GHz
Number of cores	6	4
Number of threads	8	8
Base frequency		2.90 GHz
Bus Speed		5 GT/s DMI
Die size		160 mm
Transistor count		1400 Million
Unlocked
Memory
Max memory channels	2	2
Maximum memory size	64 GB	32 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/L/-RS 1333/1600
Maximum memory bandwidth		25.6 GB/s
Graphics
Device ID	0x46B3
Execution Units	64
Graphics max dynamic frequency	1.10 GHz	1.30 GHz
Intel® Quick Sync Video
Processor graphics	Intel UHD Graphics for 12th Gen Intel Processors	Intel® HD Graphics 4000
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	3
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	37.5 x 37.5mm (rPGA988B)
Sockets supported	FCBGA1744	FCPGA988
Thermal Design Power (TDP)	15 Watt	55 Watt
Low Halogen Options Available
Peripherals
Max number of PCIe lanes	20	16
PCI Express revision		3.0
PCIe configurations		1x16, 2x8, 1x8 2x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Secure Boot
Anti-Theft technology
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
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™)