Celeron B820 vs Core 2 Duo E4500

VS

Aggregate performance score

Core 2 Duo E4500
2007
2 cores / 2 threads, 65 Watt
0.46
Celeron B820
2012
2 cores / 2 threads, 35 Watt
0.50
+8.7%

Celeron B820 outperforms Core 2 Duo E4500 by a small 9% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E4500 and Celeron B820 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking29362889
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Celeron
Power efficiency0.671.35
Architecture codenameAllendale (2006−2009)Sandy Bridge (2011−2013)
Release dateJuly 2007 (17 years ago)1 July 2012 (12 years ago)
Launch price (MSRP)no data$86

Detailed specifications

Core 2 Duo E4500 and Celeron B820 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 speed2.2 GHz1.7 GHz
Boost clock speed2.2 GHz1.7 GHz
Bus typeno dataDMI 2.0
Bus rate800 MHz4 × 5 GT/s
Multiplierno data17
L1 cache64 KB128 KB
L2 cache2 MB512 KB
L3 cache0 KB2 MB (shared)
Chip lithography65 nm32 nm
Die size111 mm2131 mm2
Maximum core temperature73 °C100 °C
Number of transistors167 million504 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Duo E4500 and Celeron B820 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 (Uniprocessor)
SocketLGA775FCPGA988,PGA988
Power consumption (TDP)65 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E4500 and Celeron B820. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2
FMA-+
Enhanced SpeedStep (EIST)++
My WiFino data-
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
Demand Based Switching--
FDIno data+
Fast Memory Accessno data+
FSB parity-no data

Security technologies

Core 2 Duo E4500 and Celeron B820 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Anti-Theftno data-

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E4500 and Celeron B820 are enumerated here.

VT-dno data-
VT-x-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E4500 and Celeron B820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3
Maximum memory sizeno data16 GB
Max memory channelsno data2
Maximum memory bandwidthno data21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics for 2nd Generation Intel Processors
Graphics max frequencyno data1.05 GHz

Graphics interfaces

Available interfaces and connections of Core 2 Duo E4500 and Celeron B820 integrated GPUs.

Number of displays supportedno data2
eDPno data+
DisplayPort-+
HDMI-+
SDVOno data+
CRTno data+

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E4500 and Celeron B820.

PCIe versionno data2.0
PCI Express lanesno data16

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.

Core 2 Duo E4500 0.46
Celeron B820 0.50
+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.

Core 2 Duo E4500 734
Celeron B820 802
+9.3%

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.

Core 2 Duo E4500 230
Celeron B820 280
+21.7%

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.

Core 2 Duo E4500 376
Celeron B820 492
+30.9%

Gaming performance

Pros & cons summary


Performance score 0.46 0.50
Chip lithography 65 nm 32 nm
Power consumption (TDP) 65 Watt 35 Watt

Celeron B820 has a 8.7% higher aggregate performance score, a 103.1% more advanced lithography process, and 85.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core 2 Duo E4500 and Celeron B820.

Note that Core 2 Duo E4500 is a desktop processor while Celeron B820 is a notebook one.


Should you still have questions on choice between Core 2 Duo E4500 and Celeron B820, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core 2 Duo E4500
Core 2 Duo E4500
Intel Celeron B820
Celeron B820

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.1 341 vote

Rate Core 2 Duo E4500 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.9 142 votes

Rate Celeron B820 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Duo E4500 or Celeron B820, agree or disagree with our judgements, or report an error or mismatch.