Celeron G4920 vs Core 2 Quad Q9400

Aggregate performance score

Core 2 Quad Q9400
2008
4 cores / 4 threads, 95 Watt
1.35
Celeron G4920
2018
2 cores / 2 threads, 54 Watt
1.58
+17%

Celeron G4920 outperforms Core 2 Quad Q9400 by a moderate 17% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q9400 and Celeron G4920 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22412098
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data3.61
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Celeron
Power efficiency1.342.76
Architecture codenameYorkfield (2007−2009)Coffee Lake (2017−2019)
Release dateAugust 2008 (16 years ago)2 April 2018 (6 years ago)
Launch price (MSRP)no data$52

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Quad Q9400 and Celeron G4920 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 GHz3.2 GHz
Boost clock speed2.67 GHz3.2 GHz
Bus typeno dataDMI 3.0
Bus rate1333 MHz4 × 8 GT/s
Multiplierno data32
L1 cache64K (per core)128 KB
L2 cache6 MB (shared)512 KB
L3 cache0 KB2 MB
Chip lithography45 nm14 nm
Die size2x 81 mm2126 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)71 °C72 °C
Number of transistors456 millionno data
64 bit support++
Windows 11 compatibility-+
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q9400 and Celeron G4920 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)
SocketLGA775FCLGA1151
Power consumption (TDP)95 Watt54 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Celeron G4920. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2
AES-NI-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring++
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Quad Q9400 and Celeron G4920 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9400 and Celeron G4920 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Celeron G4920. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR4-2400
Maximum memory sizeno data64 GB
Max memory channelsno data2
Maximum memory bandwidthno data38.397 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 610
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.05 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core 2 Quad Q9400 and Celeron G4920 integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Core 2 Quad Q9400 and Celeron G4920 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Core 2 Quad Q9400 and Celeron G4920 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9400 and Celeron G4920.

PCIe versionno data3.0
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 Q9400 1.35
Celeron G4920 1.58
+17%

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 Q9400 2133
Celeron G4920 2500
+17.2%

Gaming performance

Pros & cons summary


Performance score 1.35 1.58
Physical cores 4 2
Threads 4 2
Chip lithography 45 nm 14 nm
Power consumption (TDP) 95 Watt 54 Watt

Core 2 Quad Q9400 has 100% more physical cores and 100% more threads.

Celeron G4920, on the other hand, has a 17% higher aggregate performance score, a 221.4% more advanced lithography process, and 75.9% lower power consumption.

The Celeron G4920 is our recommended choice as it beats the Core 2 Quad Q9400 in performance tests.


Should you still have questions on choice between Core 2 Quad Q9400 and Celeron G4920, 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 Q9400
Core 2 Quad Q9400
Intel Celeron G4920
Celeron G4920

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.


4.3 1551 vote

Rate Core 2 Quad Q9400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.2 20 votes

Rate Celeron G4920 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Quad Q9400 or Celeron G4920, agree or disagree with our judgements, or report an error or mismatch.