Celeron 1017U vs Core 2 Quad Q8400

Aggregate performance score

Core 2 Quad Q8400
2009
4 cores / 4 threads, 95 Watt
1.30
+36.8%
Celeron 1017U
2013
2 cores / 2 threads, 17 Watt
0.95

Core 2 Quad Q8400 outperforms Celeron 1017U by a substantial 37% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q8400 and Celeron 1017U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22812516
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Celeron
Power efficiency1.305.29
Architecture codenameYorkfield (2007−2009)Ivy Bridge (2012−2013)
Release date19 April 2009 (15 years ago)1 July 2013 (11 years ago)

Detailed specifications

Core 2 Quad Q8400 and Celeron 1017U 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 cores4 (Quad-Core)2 (Dual-core)
Threads42
Base clock speed2.66 GHz1.6 GHz
Boost clock speed0.67 GHz1.6 GHz
Bus rate1333 MHz5 GT/s
L1 cache64 KB (per core)128 KB
L2 cache4 MB (shared)512 KB
L3 cache0 KB2 MB
Chip lithography45 nm22 nm
Die size2x 82 mm294 mm2
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)71 °Cno data
Number of transistors456 millionno data
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q8400 and Celeron 1017U 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
SocketFCLGA775,LGA775FCBGA1023
Power consumption (TDP)95 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Celeron 1017U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2
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 Quad Q8400 and Celeron 1017U 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 Quad Q8400 and Celeron 1017U are enumerated here.

VT-dno data-
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and Celeron 1017U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3
Maximum memory sizeno data32 GB
Max memory channelsno data2
Maximum memory bandwidthno data25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)Intel HD Graphics for 3rd Generation Intel Processors
Graphics max frequencyno data1 GHz

Graphics interfaces

Available interfaces and connections of Core 2 Quad Q8400 and Celeron 1017U integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
SDVOno data+
CRTno data+

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q8400 and Celeron 1017U.

PCIe version2.02.0
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 Quad Q8400 1.30
+36.8%
Celeron 1017U 0.95

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 Quad Q8400 2068
+37.1%
Celeron 1017U 1508

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 Quad Q8400 328
+24.7%
Celeron 1017U 263

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 Quad Q8400 897
+97.6%
Celeron 1017U 454

Gaming performance

Pros & cons summary


Performance score 1.30 0.95
Recency 19 April 2009 1 July 2013
Physical cores 4 2
Threads 4 2
Chip lithography 45 nm 22 nm
Power consumption (TDP) 95 Watt 17 Watt

Core 2 Quad Q8400 has a 36.8% higher aggregate performance score, and 100% more physical cores and 100% more threads.

Celeron 1017U, on the other hand, has an age advantage of 4 years, a 104.5% more advanced lithography process, and 458.8% lower power consumption.

The Core 2 Quad Q8400 is our recommended choice as it beats the Celeron 1017U in performance tests.

Note that Core 2 Quad Q8400 is a desktop processor while Celeron 1017U is a notebook one.


Should you still have questions on choice between Core 2 Quad Q8400 and Celeron 1017U, 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 Quad Q8400
Core 2 Quad Q8400
Intel Celeron 1017U
Celeron 1017U

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.


4 1346 votes

Rate Core 2 Quad Q8400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.8 71 vote

Rate Celeron 1017U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Quad Q8400 or Celeron 1017U, agree or disagree with our judgements, or report an error or mismatch.