Core 2 Quad Q9400 vs Pentium Silver J5040

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Aggregate performance score

Pentium Silver J5040
2019
4 cores / 4 threads, 10 Watt
2.05
+53%
Core 2 Quad Q9400
2008
4 cores / 4 threads, 95 Watt
1.34

Pentium Silver J5040 outperforms Core 2 Quad Q9400 by an impressive 53% based on our aggregate benchmark results.

Primary details

Comparing Pentium Silver J5040 and Core 2 Quad Q9400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking18942241
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.94no data
Market segmentDesktop processorDesktop processor
Power efficiency19.401.33
Architecture codenameGemini Lake Refresh (2019)Yorkfield (2007−2009)
Release date4 November 2019 (5 years ago)August 2008 (16 years ago)
Launch price (MSRP)$161no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium Silver J5040 and Core 2 Quad Q9400 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)4 (Quad-Core)
Threads44
Base clock speed2 GHz2.66 GHz
Boost clock speed3.2 GHz2.67 GHz
Bus rateno data1333 MHz
L1 cache56 KB (per core)64K (per core)
L2 cache4 MB (shared)6 MB (shared)
L3 cache4 MB0 KB
Chip lithography14 nm45 nm
Die size93 mm22x 81 mm2
Maximum core temperature105 °Cno data
Maximum case temperature (TCase)no data71 °C
Number of transistorsno data456 million
64 bit support++
Windows 11 compatibility+-
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Pentium Silver J5040 and Core 2 Quad Q9400 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
SocketFCBGA1090LGA775
Power consumption (TDP)10 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Silver J5040 and Core 2 Quad Q9400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
AES-NI+-
Enhanced SpeedStep (EIST)++
Speed Shift-no data
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring++
Smart Response-no data
Demand Based Switchingno data-
GPIO+no data
Turbo Boost Max 3.0-no data
FSB parityno data-

Security technologies

Pentium Silver J5040 and Core 2 Quad Q9400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data
Anti-Theft-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium Silver J5040 and Core 2 Quad Q9400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Silver J5040 and Core 2 Quad Q9400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR1, DDR2, DDR3
Maximum memory size8 GBno data
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 605no data
Max video memory8 GBno data
Quick Sync Video+-
Graphics max frequency800 MHzno data
Execution Units18no data

Graphics interfaces

Available interfaces and connections of Pentium Silver J5040 and Core 2 Quad Q9400 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
MIPI-DSI+no data

Graphics image quality

Maximum display resolutions supported by Pentium Silver J5040 and Core 2 Quad Q9400 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2160@30Hzno data
Max resolution over eDP4096x2160@60Hzno data
Max resolution over DisplayPort4096x2160@60Hzno data

Graphics API support

APIs supported by Pentium Silver J5040 and Core 2 Quad Q9400 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.4no data

Peripherals

Specifications and connection of peripherals supported by Pentium Silver J5040 and Core 2 Quad Q9400.

PCIe version2.0no data
PCI Express lanes6no data
USB revision2.0/3.0no data
Total number of SATA ports2no data
Max number of SATA 6 Gb/s Ports2no data
Number of USB ports8no data
Integrated LAN-no data
UART+no 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.

Pentium Silver J5040 2.05
+53%
Core 2 Quad Q9400 1.34

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.

Pentium Silver J5040 3255
+52.6%
Core 2 Quad Q9400 2133

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.

Pentium Silver J5040 418
+25.1%
Core 2 Quad Q9400 334

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.

Pentium Silver J5040 1126
+21.9%
Core 2 Quad Q9400 924

Gaming performance

Pros & cons summary


Performance score 2.05 1.34
Chip lithography 14 nm 45 nm
Power consumption (TDP) 10 Watt 95 Watt

Pentium Silver J5040 has a 53% higher aggregate performance score, a 221.4% more advanced lithography process, and 850% lower power consumption.

The Pentium Silver J5040 is our recommended choice as it beats the Core 2 Quad Q9400 in performance tests.


Should you still have questions on choice between Pentium Silver J5040 and Core 2 Quad Q9400, ask them in Comments section, and we shall answer.

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Intel Pentium Silver J5040
Pentium Silver J5040
Intel Core 2 Quad Q9400
Core 2 Quad Q9400

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Community ratings

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Questions & comments

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