Intel Pentium B940 vs Intel Celeron B840

Comparative analysis of Intel Pentium B940 and Intel Celeron B840 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 Pentium B940

Intel Celeron B840

Differences

Reasons to consider the Intel Pentium B940

CPU is newer: launch date 2 month(s) later
Around 5% higher clock speed: 2 GHz vs 1.9 GHz
Around 3% better performance in Geekbench 4 - Single Core: 355 vs 345
Around 4% better performance in Geekbench 4 - Multi-Core: 644 vs 619

Specifications (specs)
Launch date	15 May 2011 vs 15 March 2011
Maximum frequency	2 GHz vs 1.9 GHz
Benchmarks
Geekbench 4 - Single Core	355 vs 345
Geekbench 4 - Multi-Core	644 vs 619

Reasons to consider the Intel Celeron B840

Around 18% higher maximum core temperature: 100C vs 85 C
Around 3% better performance in PassMark - Single thread mark: 882 vs 858
Around 10% better performance in PassMark - CPU mark: 967 vs 878

Specifications (specs)
Maximum core temperature	100C vs 85 C
Benchmarks
PassMark - Single thread mark	882 vs 858
PassMark - CPU mark	967 vs 878

Compare benchmarks

CPU 1: Intel Pentium B940
CPU 2: Intel Celeron B840

PassMark - Single thread mark

CPU 1

CPU 2

858

882

PassMark - CPU mark

CPU 1

CPU 2

878

967

Geekbench 4 - Single Core

CPU 1

CPU 2

355

345

Geekbench 4 - Multi-Core

CPU 1

CPU 2

644

619

Name	Intel Pentium B940	Intel Celeron B840
PassMark - Single thread mark	858	882
PassMark - CPU mark	878	967
Geekbench 4 - Single Core	355	345
Geekbench 4 - Multi-Core	644	619

Compare specifications (specs)

	Intel Pentium B940	Intel Celeron B840
Essentials
Architecture codename	Sandy Bridge	Sandy Bridge
Launch date	15 May 2011	15 March 2011
Launch price (MSRP)	$30	$86
Place in performance rating	2793	2794
Price now	$29.94
Processor Number	B940	B840
Series	Legacy Intel® Pentium® Processor	Legacy Intel® Celeron® Processor
Status	Launched	Launched
Value for money (0-100)	16.94
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	2.00 GHz	1.90 GHz
Die size	149 mm	131 mm
L1 cache	128 KB	64 KB (per core)
L2 cache	512 KB	256 KB (per core)
L3 cache	2048 KB	2048 KB
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	85 C	100C
Maximum frequency	2 GHz	1.9 GHz
Number of cores	2	2
Number of threads	2	2
Transistor count	624 Million	504 million
Bus Speed		5 GT/s DMI
Memory
Max memory channels	2	2
Maximum memory bandwidth	21.3 GB/s	21.3 GB/s
Maximum memory size	16 GB	16 GB
Supported memory types	DDR3 1066/1333	DDR3 1066/1333
Graphics
Graphics base frequency	650 MHz	650 MHz
Graphics max dynamic frequency	1.10 GHz	1.00 GHz
Graphics max frequency	1.1 GHz	1 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics	Intel HD Graphics
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	37.5mmx37.5mm (rPGA988B)	37.5mm x 37.5mm (rPGA988B)
Sockets supported	PGA988	FCPGA988
Thermal Design Power (TDP)	35 Watt	35 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)
Advanced Technologies
4G WiMAX Wireless
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2
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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)