Intel Celeron B810 vs Intel Core i7-640M

Comparative analysis of Intel Celeron B810 and Intel Core i7-640M 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, 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 Celeron B810

Intel Core i7-640M

Differences

Reasons to consider the Intel Celeron B810

CPU is newer: launch date 5 month(s) later
2.1x more maximum memory size: 16.6 GB vs 8 GB

Launch date	15 March 2011 vs 20 September 2010
Maximum memory size	16.6 GB vs 8 GB

Reasons to consider the Intel Core i7-640M

2 more threads: 4 vs 2
Around 116% higher clock speed: 3.46 GHz vs 1.6 GHz
Around 5% higher maximum core temperature: 105°C vs 100C
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 82% better performance in PassMark - Single thread mark: 1375 vs 754
2.7x better performance in PassMark - CPU mark: 2070 vs 775
Around 62% better performance in Geekbench 4 - Single Core: 499 vs 308
Around 77% better performance in Geekbench 4 - Multi-Core: 1036 vs 584

Specifications (specs)
Number of threads	4 vs 2
Maximum frequency	3.46 GHz vs 1.6 GHz
Maximum core temperature	105°C vs 100C
L3 cache	4096 KB vs 2048 KB
Benchmarks
PassMark - Single thread mark	1375 vs 754
PassMark - CPU mark	2070 vs 775
Geekbench 4 - Single Core	499 vs 308
Geekbench 4 - Multi-Core	1036 vs 584

Compare benchmarks

CPU 1: Intel Celeron B810
CPU 2: Intel Core i7-640M

PassMark - Single thread mark

CPU 1

CPU 2

754

1375

PassMark - CPU mark

CPU 1

CPU 2

775

2070

Geekbench 4 - Single Core

CPU 1

CPU 2

308

499

Geekbench 4 - Multi-Core

CPU 1

CPU 2

584

1036

Name	Intel Celeron B810	Intel Core i7-640M
PassMark - Single thread mark	754	1375
PassMark - CPU mark	775	2070
Geekbench 4 - Single Core	308	499
Geekbench 4 - Multi-Core	584	1036
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.541
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		29.806
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.151
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.798
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2.292

Compare specifications (specs)

	Intel Celeron B810	Intel Core i7-640M
Essentials
Architecture codename	Sandy Bridge	Arrandale
Launch date	15 March 2011	20 September 2010
Launch price (MSRP)	$86	$346
Place in performance rating	2906	2909
Processor Number	B810	i7-640M
Series	Legacy Intel® Celeron® Processor	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Mobile	Mobile
Price now		$199.95
Value for money (0-100)		4.18
Performance
64 bit support
Base frequency	1.60 GHz	2.80 GHz
Die size	131 mm	81 mm2
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	512 KB
L3 cache	2048 KB	4096 KB
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	100C	105°C
Maximum frequency	1.6 GHz	3.46 GHz
Number of cores	2	2
Number of threads	2	4
Transistor count	504 million	382 million
Bus Speed		2.5 GT/s DMI
Front-side bus (FSB)		2500 MHz
Memory
Max memory channels	2	2
Maximum memory bandwidth	21.3 GB/s	17.1 GB/s
Maximum memory size	16.6 GB	8 GB
Supported memory types	DDR3 1066/1333	DDR3 800/1066
Graphics
Graphics base frequency	650 MHz	500 MHz
Graphics max dynamic frequency	950 MHz	766 MHz
Graphics max frequency	950 MHz	766 MHz
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)	rPGA 37.5mmx 37.5mm, BGA 34mmx28mm
Sockets supported	PGA988	BGA1288, PGA988
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
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® 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
Physical Address Extensions (PAE)		36-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)