Intel Pentium G640 vs Intel Pentium G840

Comparative analysis of Intel Pentium G640 and Intel Pentium G840 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 G640

Intel Pentium G840

Differences

Reasons to consider the Intel Pentium G640

CPU is newer: launch date 1 year(s) 1 month(s) later
Around 2% better performance in PassMark - Single thread mark: 1306 vs 1281
Around 4% better performance in PassMark - CPU mark: 1349 vs 1294

Specifications (specs)
Launch date	June 2012 vs May 2011
Benchmarks
PassMark - Single thread mark	1306 vs 1281
PassMark - CPU mark	1349 vs 1294

Reasons to consider the Intel Pentium G840

Around 5% better performance in Geekbench 4 - Single Core: 514 vs 489
Around 8% better performance in Geekbench 4 - Multi-Core: 935 vs 869

Benchmarks
Geekbench 4 - Single Core	514 vs 489
Geekbench 4 - Multi-Core	935 vs 869

Compare benchmarks

CPU 1: Intel Pentium G640
CPU 2: Intel Pentium G840

PassMark - Single thread mark

CPU 1

CPU 2

1306

1281

PassMark - CPU mark

CPU 1

CPU 2

1349

1294

Geekbench 4 - Single Core

CPU 1

CPU 2

489

514

Geekbench 4 - Multi-Core

CPU 1

CPU 2

869

935

Name	Intel Pentium G640	Intel Pentium G840
PassMark - Single thread mark	1306	1281
PassMark - CPU mark	1349	1294
Geekbench 4 - Single Core	489	514
Geekbench 4 - Multi-Core	869	935

Compare specifications (specs)

	Intel Pentium G640	Intel Pentium G840
Essentials
Architecture codename	Sandy Bridge	Sandy Bridge
Launch date	June 2012	May 2011
Launch price (MSRP)	$179	$60
Place in performance rating	2388	2389
Price now	$24.99	$34.99
Processor Number	G640	G840
Series	Legacy Intel® Pentium® Processor	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	29.86	21.58
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.80 GHz	2.80 GHz
Bus Speed	5 GT/s DMI	5 GT/s DMI
Die size	131 mm	131 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	3072 KB (shared)	3072 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	69.1°C	69.1°C
Maximum frequency	2.8 GHz	2.8 GHz
Number of cores	2	2
Number of threads	2	2
Transistor count	504 million	504 million
Memory
Max memory channels	2	2
Maximum memory bandwidth	17 GB/s	21 GB/s
Maximum memory size	32 GB	32 GB
Supported memory types	DDR3 1066	DDR3 1066/1333
Graphics
Graphics base frequency	850 MHz	850 MHz
Graphics max dynamic frequency	1.10 GHz	1.10 GHz
Graphics max frequency	1.1 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	Intel HD Graphics
Graphics interfaces
Number of displays supported	2	2
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	37.5mm x 37.5mm
Sockets supported	FCLGA1155	FCLGA1155
Thermal Design Power (TDP)	65 Watt	65 Watt
Peripherals
PCI Express revision	2.0	2.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
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® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
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)
Intel® VT-x with Extended Page Tables (EPT)