Intel Celeron B840 vs Intel Core i5-2537M

Comparative analysis of Intel Celeron B840 and Intel Core i5-2537M 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 Celeron B840

Intel Core i5-2537M

Differences

Reasons to consider the Intel Celeron B840

CPU is newer: launch date 2 month(s) later
2x more maximum memory size: 16 GB vs 8.01 GB
Around 25% better performance in Geekbench 4 - Single Core: 345 vs 277
Around 2% better performance in Geekbench 4 - Multi-Core: 619 vs 606

Specifications (specs)
Launch date	15 March 2011 vs 3 January 2011
Maximum memory size	16 GB vs 8.01 GB
Benchmarks
Geekbench 4 - Single Core	345 vs 277
Geekbench 4 - Multi-Core	619 vs 606

Reasons to consider the Intel Core i5-2537M

2 more threads: 4 vs 2
Around 21% higher clock speed: 2.30 GHz vs 1.9 GHz
Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
2.1x lower typical power consumption: 17 Watt vs 35 Watt
Around 5% better performance in PassMark - Single thread mark: 928 vs 882
Around 23% better performance in PassMark - CPU mark: 1191 vs 967

Specifications (specs)
Number of threads	4 vs 2
Maximum frequency	2.30 GHz vs 1.9 GHz
L3 cache	3072 KB vs 2048 KB
Thermal Design Power (TDP)	17 Watt vs 35 Watt
Benchmarks
PassMark - Single thread mark	928 vs 882
PassMark - CPU mark	1191 vs 967

Compare benchmarks

CPU 1: Intel Celeron B840
CPU 2: Intel Core i5-2537M

PassMark - Single thread mark

CPU 1

CPU 2

882

928

PassMark - CPU mark

CPU 1

CPU 2

967

1191

Geekbench 4 - Single Core

CPU 1

CPU 2

345

277

Geekbench 4 - Multi-Core

CPU 1

CPU 2

619

606

Name	Intel Celeron B840	Intel Core i5-2537M
PassMark - Single thread mark	882	928
PassMark - CPU mark	967	1191
Geekbench 4 - Single Core	345	277
Geekbench 4 - Multi-Core	619	606

Compare specifications (specs)

	Intel Celeron B840	Intel Core i5-2537M
Essentials
Architecture codename	Sandy Bridge	Sandy Bridge
Launch date	15 March 2011	3 January 2011
Launch price (MSRP)	$86	$250
Place in performance rating	2788	2790
Processor Number	B840	i5-2537M
Series	Legacy Intel® Celeron® Processor	Legacy Intel® Core™ Processors
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	1.90 GHz	1.40 GHz
Bus Speed	5 GT/s DMI	5 GT/s DMI
Die size	131 mm	149 mm
L1 cache	64 KB (per core)	128 KB
L2 cache	256 KB (per core)	512 KB
L3 cache	2048 KB	3072 KB
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	100C	100 C
Maximum frequency	1.9 GHz	2.30 GHz
Number of cores	2	2
Number of threads	2	4
Transistor count	504 million	624 Million
Memory
Max memory channels	2	2
Maximum memory bandwidth	21.3 GB/s	21.3 GB/s
Maximum memory size	16 GB	8.01 GB
Supported memory types	DDR3 1066/1333	DDR3 1066/1333
Graphics
Graphics base frequency	650 MHz	350 MHz
Graphics max dynamic frequency	1.00 GHz	900 MHz
Graphics max frequency	1 GHz	900 MHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics	Intel® HD Graphics 3000
Device ID		0x116
Graphics interfaces
CRT
DisplayPort
eDP
HDMI
Number of displays supported	2	2
SDVO
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 (rPGA988B)	31mm x 24 mm (BGA1023)
Sockets supported	FCPGA988	FCBGA1023
Thermal Design Power (TDP)	35 Watt	17 Watt
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	2.0	2.0
PCIe configurations	1x16, 2x8, 1x8 2x4	1x16, 2x8, 1x8+2x4
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Advanced Technologies
4G WiMAX Wireless
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Intel 64
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
Instruction set extensions		Intel® AVX
Intel® Advanced Vector Extensions (AVX)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
AMD Virtualization (AMD-V™)
Intel® VT-x with Extended Page Tables (EPT)