Celeron B840 vs Xeon E5-2620

VS

Aggregate performance score

Xeon E5-2620
2012
6 cores / 12 threads, 95 Watt
3.33
+446%
Celeron B840
2011
2 cores / 2 threads, 35 Watt
0.61

Xeon E5-2620 outperforms Celeron B840 by a whopping 446% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2620 and Celeron B840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking15862801
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.73no data
Market segmentServerLaptop
Seriesno dataIntel Celeron
Power efficiency3.321.65
Architecture codenameSandy Bridge-EP (2012)Sandy Bridge (2011−2013)
Release date6 March 2012 (12 years ago)1 July 2011 (13 years ago)
Launch price (MSRP)$36$86

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E5-2620 and Celeron B840 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 cores6 (Hexa-Core)2 (Dual-core)
Threads122
Base clock speed2 GHzno data
Boost clock speed2.5 GHz1.9 GHz
Bus typeno dataDMI 2.0
Bus rate7.2 GT/s4 × 5 GT/s
Multiplierno data19
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache15360 KB (shared)2 MB (shared)
Chip lithography32 nm32 nm
Die size435 mm2131 mm2
Maximum core temperature77 °C100 °C
Number of transistors2,270 million504 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E5-2620 and Celeron B840 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 configuration21 (Uniprocessor)
SocketFCLGA2011G2 (988B)
Power consumption (TDP)95 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2620 and Celeron B840. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI+-
FMA-+
AVX+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.0no data
Hyper-Threading Technology+no data
Idle States++
Thermal Monitoring++
Flex Memory Access-no data
Demand Based Switching+no data

Security technologies

Xeon E5-2620 and Celeron B840 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2620 and Celeron B840 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2620 and Celeron B840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size384 GB16 GB
Max memory channels42
Maximum memory bandwidth42.6 GB/s21.335 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics (Sandy Bridge) (650 - 950 MHz)

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2620 and Celeron B840.

PCIe version3.0no data
PCI Express lanes40no 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.

Xeon E5-2620 3.33
+446%
Celeron B840 0.61

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.

Xeon E5-2620 5293
+447%
Celeron B840 967

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.

Xeon E5-2620 405
+23.5%
Celeron B840 328

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.

Xeon E5-2620 1963
+229%
Celeron B840 597

Gaming performance

Pros & cons summary


Performance score 3.33 0.61
Recency 6 March 2012 1 July 2011
Physical cores 6 2
Threads 12 2
Power consumption (TDP) 95 Watt 35 Watt

Xeon E5-2620 has a 445.9% higher aggregate performance score, an age advantage of 8 months, and 200% more physical cores and 500% more threads.

Celeron B840, on the other hand, has 171.4% lower power consumption.

The Xeon E5-2620 is our recommended choice as it beats the Celeron B840 in performance tests.

Be aware that Xeon E5-2620 is a server/workstation processor while Celeron B840 is a notebook one.


Should you still have questions on choice between Xeon E5-2620 and Celeron B840, ask them in Comments section, and we shall answer.

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Intel Xeon E5-2620
Xeon E5-2620
Intel Celeron B840
Celeron B840

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Community ratings

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Questions & comments

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