A4-3420 vs i7-2620M

VS

Aggregate performance score

Core i7-2620M
2011
2 cores / 4 threads, 35 Watt
1.53
+132%
A4-3420
2011
2 cores / 2 threads, 65 Watt
0.66

Core i7-2620M outperforms A4-3420 by a whopping 132% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2620M and A4-3420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21422755
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core i7no data
Power efficiency4.140.96
Architecture codenameSandy Bridge (2011−2013)Llano (2011−2012)
Release date20 February 2011 (13 years ago)20 December 2011 (13 years ago)
Launch price (MSRP)$346no data

Detailed specifications

Core i7-2620M and A4-3420 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 cores2 (Dual-core)2 (Dual-core)
Threads42
Base clock speed2.7 GHz2.8 GHz
Boost clock speed3.4 GHz2.8 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/sno data
Multiplier27no data
L1 cache128 KB128 KB (per core)
L2 cache512 KB512 KB (per core)
L3 cache4 MB0 KB
Chip lithography32 nm32 nm
Die size149 mm2228 mm2
Maximum core temperature100 °Cno data
Number of transistors624 Million1,178 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-2620M and A4-3420 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 configuration1 (Uniprocessor)1
SocketFCBGA1023,PPGA988FM1
Power consumption (TDP)35 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2620M and A4-3420. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI+-
FMA+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)+no data
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Demand Based Switching-no data
FDI+no data
Fast Memory Access+no data

Security technologies

Core i7-2620M and A4-3420 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2620M and A4-3420 are enumerated here.

AMD-V++
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2620M and A4-3420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size16 GBno data
Max memory channels2no data
Maximum memory bandwidth21.335 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000Radeon HD 6410D
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.3 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-2620M and A4-3420 integrated GPUs.

Number of displays supported2no data
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2620M and A4-3420.

PCIe version2.0no data
PCI Express lanes16no data

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.

i7-2620M 1.53
+132%
A4-3420 0.66

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.

i7-2620M 2423
+130%
A4-3420 1054

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.

i7-2620M 511
+70.9%
A4-3420 299

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.

i7-2620M 1019
+91.9%
A4-3420 531

Gaming performance

Pros & cons summary


Performance score 1.53 0.66
Recency 20 February 2011 20 December 2011
Threads 4 2
Power consumption (TDP) 35 Watt 65 Watt

i7-2620M has a 131.8% higher aggregate performance score, 100% more threads, and 85.7% lower power consumption.

A4-3420, on the other hand, has an age advantage of 10 months.

The Core i7-2620M is our recommended choice as it beats the A4-3420 in performance tests.

Be aware that Core i7-2620M is a notebook processor while A4-3420 is a desktop one.


Should you still have questions on choice between Core i7-2620M and A4-3420, ask them in Comments section, and we shall answer.

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Intel Core i7-2620M
Core i7-2620M
AMD A4-3420
A4-3420

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

Here you can ask a question about Core i7-2620M or A4-3420, agree or disagree with our judgements, or report an error or mismatch.