Pentium 2020M vs Pentium G840

Place in the ranking	2606	2553
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.61	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Pentium
Power efficiency	1.16	2.35
Architecture codename	Sandy Bridge (2011−2013)	Ivy Bridge (2012−2013)
Release date	22 May 2011 (13 years ago)	1 September 2012 (12 years ago)
Launch price (MSRP)	$60	$134

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium G840 and Pentium 2020M basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	2 (Dual-core)
Threads	2	2
Base clock speed	2.8 GHz	2.4 GHz
Boost clock speed	2.8 GHz	2.4 GHz
Bus rate	no data	5 GT/s
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	256K (per core)
L3 cache	3 MB (shared)	2 MB (shared)
Chip lithography	32 nm	22 nm
Die size	131 mm²	118 mm²
Maximum core temperature	69 °C	90 °C
Number of transistors	504 million	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium G840 and Pentium 2020M compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	FCLGA1155	FCPGA988
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G840 and Pentium 2020M. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
My WiFi	no data	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
Demand Based Switching	no data	-
FDI	+	+
Fast Memory Access	+	+

Security technologies

Pentium G840 and Pentium 2020M technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Anti-Theft	no data	-

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G840 and Pentium 2020M are enumerated here.

VT-d	-	-
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G840 and Pentium 2020M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	32 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics for 2nd Generation Intel Processors	Intel HD Graphics for 3rd Generation Intel Processors
Clear Video HD	-	-
Graphics max frequency	1.1 GHz	1.1 GHz
InTru 3D	-	-

Graphics interfaces

Available interfaces and connections of Pentium G840 and Pentium 2020M integrated GPUs.

Number of displays supported	2	3
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
SDVO	no data	+
CRT	no data	+

Peripherals

Specifications and connection of peripherals supported by Pentium G840 and Pentium 2020M.

PCIe version	2.0	2.0
PCI Express lanes	no data	16

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Pentium G840 0.80

Pentium 2020M 0.87
+8.7%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Pentium G840 1264

Pentium 2020M 1377
+8.9%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Pentium G840 452
+13.9%

Pentium 2020M 397

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Pentium G840 789
+16.5%

Pentium 2020M 677

Gaming performance

Pros & cons summary

Performance score	0.80	0.87
Recency	22 May 2011	1 September 2012
Chip lithography	32 nm	22 nm
Power consumption (TDP)	65 Watt	35 Watt

Pentium 2020M has a 8.7% higher aggregate performance score, an age advantage of 1 year, a 45.5% more advanced lithography process, and 85.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Pentium G840 and Pentium 2020M.

Note that Pentium G840 is a desktop processor while Pentium 2020M is a notebook one.

Should you still have questions on choice between Pentium G840 and Pentium 2020M, ask them in Comments section, and we shall answer.