Celeron 1007U vs B840

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Aggregate performance score

Celeron B840
2011
2 cores / 2 threads, 35 Watt
0.66
+22.2%

B840 outperforms 1007U by a significant 22% based on our aggregate benchmark results.

Primary details

Comparing Celeron B840 and Celeron 1007U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking26442740
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel CeleronIntel Celeron
Architecture codenameSandy Bridge (2011−2013)Ivy Bridge (2012−2013)
Release date1 July 2011 (12 years ago)20 January 2013 (11 years ago)
Launch price (MSRP)$86$86
Current price$133 (1.5x MSRP)$205 (2.4x MSRP)

Detailed specifications

Celeron B840 and Celeron 1007U 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)
Threads22
Base clock speed1.9 GHz1.5 GHz
Boost clock speed1.9 GHz1.5 GHz
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache2 MB (shared)2 MB (shared)
Chip lithography32 nm22 nm
Die size131 mm2118 mm2
Maximum core temperature100 °C105 °C
Maximum case temperature (TCase)no data105 °C
Number of transistors504 million1,400 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo

Compatibility

Information on Celeron B840 and Celeron 1007U 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 configuration11
SocketFCPGA988,PGA988FCBGA1023
Power consumption (TDP)35 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B840 and Celeron 1007U. You'll probably need this information if you require some particular technology.

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

Security technologies

Celeron B840 and Celeron 1007U technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Anti-Theft--

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B840 and Celeron 1007U are enumerated here.

VT-d--
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B840 and Celeron 1007U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size16 GB32 GB
Max memory channels22
Maximum memory bandwidth21.3 GB/s25.6 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 2nd Generation Intel® ProcessorsIntel® HD Graphics for 3rd Generation Intel® Processors
Quick Sync Video--
Clear Video HD--
Graphics max frequency1 GHz1 GHz
InTru 3D--

Graphics interfaces

Available interfaces and connections of Celeron B840 and Celeron 1007U integrated GPUs.

Number of displays supported23
eDP++
DisplayPort++
HDMI++
SDVO++
CRT++

Peripherals

Specifications and connection of peripherals supported by Celeron B840 and Celeron 1007U.

PCIe version2.02.0
PCI Express lanes1616

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.

Celeron B840 0.66
+22.2%
Celeron 1007U 0.54

B840 outperforms 1007U by 22% based on our aggregate benchmark results.


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.

Benchmark coverage: 68%

Celeron B840 1015
+21.6%
Celeron 1007U 835

B840 outperforms 1007U by 22% in Passmark.

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.

Benchmark coverage: 42%

Celeron B840 328
+31.2%
Celeron 1007U 250

B840 outperforms 1007U by 31% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Celeron B840 597
+40.1%
Celeron 1007U 426

B840 outperforms 1007U by 40% in GeekBench 5 Multi-Core.

Gaming performance

Pros & cons summary


Performance score 0.66 0.54
Recency 1 July 2011 20 January 2013
Chip lithography 32 nm 22 nm
Power consumption (TDP) 35 Watt 17 Watt

The Celeron B840 is our recommended choice as it beats the Celeron 1007U in performance tests.


Should you still have questions on choice between Celeron B840 and Celeron 1007U, ask them in Comments section, and we shall answer.

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Intel Celeron B840
Celeron B840
Intel Celeron 1007U
Celeron 1007U

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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 Celeron B840 or Celeron 1007U, agree or disagree with our judgements, or report an error or mismatch.