Core i7-8850H vs Core 2 Quad Q8400

Aggregate performance score

Core 2 Quad Q8400
2009
4 cores / 4 threads, 95 Watt
1.30
Core i7-8850H
2018
6 cores / 12 threads, 45 Watt
6.42
+394%

Core i7-8850H outperforms Core 2 Quad Q8400 by a whopping 394% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q8400 and Core i7-8850H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22681051
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i7
Power efficiency1.3013.50
Architecture codenameYorkfield (2007−2009)Coffee Lake-H (2018−2019)
Release date19 April 2009 (15 years ago)2 April 2018 (6 years ago)
Launch price (MSRP)no data$395

Detailed specifications

Core 2 Quad Q8400 and Core i7-8850H 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)6 (Hexa-Core)
Threads412
Base clock speed2.66 GHz2.6 GHz
Boost clock speed0.67 GHz4.3 GHz
Bus typeno dataDMI 3.0
Bus rate1333 MHz4 × 8 GT/s
Multiplierno data26
L1 cache64 KB (per core)64K (per core)
L2 cache4 MB (shared)256K (per core)
L3 cache0 KB12 MB (shared)
Chip lithography45 nm14 nm
Die size2x 82 mm2149 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 Q8400 and Core i7-8850H 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)
SocketFCLGA775,LGA775FCBGA1440
Power consumption (TDP)95 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Core i7-8850H. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
My WiFino data+
Turbo Boost Technology-2.0
Hyper-Threading Technology-+
TSX-+
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
SIPP-+
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Quad Q8400 and Core i7-8850H 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 Q8400 and Core i7-8850H are enumerated here.

AMD-V-+
VT-dno data+
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and Core i7-8850H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR4
Maximum memory sizeno data64 GB
Max memory channelsno data2
Maximum memory bandwidthno data42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)Intel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.15 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core 2 Quad Q8400 and Core i7-8850H integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Core 2 Quad Q8400 and Core i7-8850H integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2304@30Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz
Max resolution over VGAno dataN/A

Graphics API support

APIs supported by Core 2 Quad Q8400 and Core i7-8850H integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q8400 and Core i7-8850H.

PCIe version2.03.0
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
i7-8850H 6.42
+394%

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 2067
i7-8850H 10203
+394%

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
i7-8850H 1340
+309%

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 896
i7-8850H 4643
+418%

Gaming performance

Pros & cons summary


Performance score 1.30 6.42
Recency 19 April 2009 2 April 2018
Physical cores 4 6
Threads 4 12
Chip lithography 45 nm 14 nm
Power consumption (TDP) 95 Watt 45 Watt

i7-8850H has a 393.8% higher aggregate performance score, an age advantage of 8 years, 50% more physical cores and 200% more threads, a 221.4% more advanced lithography process, and 111.1% lower power consumption.

The Core i7-8850H is our recommended choice as it beats the Core 2 Quad Q8400 in performance tests.

Note that Core 2 Quad Q8400 is a desktop processor while Core i7-8850H is a notebook one.


Should you still have questions on choice between Core 2 Quad Q8400 and Core i7-8850H, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q8400
Core 2 Quad Q8400
Intel Core i7-8850H
Core i7-8850H

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Community ratings

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Questions & comments

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