Intel Core i7-3840QM vs Intel Core i3-2312M

Comparative analysis of Intel Core i7-3840QM and Intel Core i3-2312M 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 i7-3840QM

Intel Core i3-2312M

Differences

Reasons to consider the Intel Core i7-3840QM

CPU is newer: launch date 1 year(s) 7 month(s) later
2 more cores, run more applications at once: 4 vs 2
4 more threads: 8 vs 4
Around 81% higher clock speed: 3.80 GHz vs 2.1 GHz
Around 24% higher maximum core temperature: 105 °C vs 85 C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
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
2.7x more L3 cache, more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 32 GB vs 16 GB
2.2x better performance in PassMark - Single thread mark: 1930 vs 866
5x better performance in PassMark - CPU mark: 5893 vs 1175

Specifications (specs)
Launch date	30 September 2012 vs 20 February 2011
Number of cores	4 vs 2
Number of threads	8 vs 4
Maximum frequency	3.80 GHz vs 2.1 GHz
Maximum core temperature	105 °C vs 85 C
Manufacturing process technology	22 nm vs 32 nm
L1 cache	256 KB vs 128 KB
L2 cache	1024 KB vs 512 KB
L3 cache	8192 KB vs 3072 KB
Maximum memory size	32 GB vs 16 GB
Benchmarks
PassMark - Single thread mark	1930 vs 866
PassMark - CPU mark	5893 vs 1175

Reasons to consider the Intel Core i3-2312M

Around 29% lower typical power consumption: 35 Watt vs 45 Watt
2.6x better performance in Geekbench 4 - Single Core: 1963 vs 752
Around 26% better performance in Geekbench 4 - Multi-Core: 3645 vs 2887

Specifications (specs)
Thermal Design Power (TDP)	35 Watt vs 45 Watt
Benchmarks
Geekbench 4 - Single Core	1963 vs 752
Geekbench 4 - Multi-Core	3645 vs 2887

Compare benchmarks

CPU 1: Intel Core i7-3840QM
CPU 2: Intel Core i3-2312M

PassMark - Single thread mark

CPU 1

CPU 2

1930

866

PassMark - CPU mark

CPU 1

CPU 2

5893

1175

Geekbench 4 - Single Core

CPU 1

CPU 2

752

1963

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2887

3645

Name	Intel Core i7-3840QM	Intel Core i3-2312M
PassMark - Single thread mark	1930	866
PassMark - CPU mark	5893	1175
Geekbench 4 - Single Core	752	1963
Geekbench 4 - Multi-Core	2887	3645

Compare specifications (specs)

	Intel Core i7-3840QM	Intel Core i3-2312M
Essentials
Architecture codename	Ivy Bridge	Sandy Bridge
Launch date	30 September 2012	20 February 2011
Launch price (MSRP)	$568	$225
Place in performance rating	1697	1699
Price now	$335
Processor Number	i7-3840QM	i3-2312M
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Launched	Launched
Value for money (0-100)	7.72
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	2.80 GHz	2.10 GHz
Bus Speed	5 GT/s DMI	5 GT/s DMI
Die size	160 mm	149 mm
L1 cache	256 KB	128 KB
L2 cache	1024 KB	512 KB
L3 cache	8192 KB	3072 KB
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	105 °C	85 C
Maximum frequency	3.80 GHz	2.1 GHz
Number of cores	4	2
Number of threads	8	4
Transistor count	1400 Million	624 Million
Maximum case temperature (TCase)		85 °C
Memory
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	21.3 GB/s
Maximum memory size	32 GB	16 GB
Supported memory types	DDR3/L/-RS 1333/1600	DDR3 1066/1333
Graphics
Device ID	0x166	0x116
Graphics base frequency	650 MHz	650 MHz
Graphics max dynamic frequency	1.30 GHz	1.10 GHz
Graphics max frequency	1.3 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 4000	Intel® HD Graphics 3000
Graphics interfaces
CRT
DisplayPort
eDP
HDMI
Number of displays supported	3	2
SDVO
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5 x 37.5mm (rPGA988B); 31.0 x 24.0mm (BGA1224)	37.5mm x 37.5mm *rPGA988B);
Sockets supported	FCPGA988	PPGA988
Thermal Design Power (TDP)	45 Watt	35 Watt
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	3.0	2.0
PCIe configurations	1x16, 2x8, 1x8 2x4	1x16, 2x8, 1x8+2x4
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
4G WiMAX Wireless
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® AVX	Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)