i5-9400 vs i7-4950HQ

Aggregate performance score

Core i7-4950HQ
2013
4 cores / 8 threads, 47 Watt
4.15
Core i5-9400
2018
6 cores / 6 threads, 65 Watt
5.90
+42.2%

Core i5-9400 outperforms Core i7-4950HQ by a considerable 42% based on our aggregate benchmark results.

Primary details

Comparing Core i7-4950HQ and Core i5-9400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking13961113
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data8.57
Market segmentLaptopDesktop processor
SeriesIntel Core i7Intel Core i5
Power efficiency8.368.59
Architecture codenameCrystalwell (2013−2014)Coffee Lake (2017−2019)
Release date7 June 2013 (11 years ago)19 October 2018 (6 years ago)
Launch price (MSRP)$657$182

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-4950HQ and Core i5-9400 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)
Threads86
Base clock speed2.4 GHz2.9 GHz
Boost clock speed3.6 GHz4.1 GHz
Bus typeDMI 2.0DMI 3.0
Bus rate5 GT/s4 × 8 GT/s
Multiplier2429
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache8 MB (shared)9 MB (shared)
Chip lithography22 nm14 nm
Die size264 mm2149 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)100 °C72 °C
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i7-4950HQ and Core i5-9400 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)
SocketFCBGA1364FCLGA1151
Power consumption (TDP)47 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4950HQ and Core i5-9400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology+-
TSX+-
Idle States++
Thermal Monitoring++
FDI+no data

Security technologies

Core i7-4950HQ and Core i5-9400 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key++
MPX-+
Identity Protection++
SGXno dataYes with Intel® ME
OS Guardno data+
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4950HQ and Core i5-9400 are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4950HQ and Core i5-9400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-2666
Maximum memory size32 GB128 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel Iris Pro Graphics 5200Intel UHD Graphics 630
Max video memory2 GB64 GB
Quick Sync Video++
Clear Videono data+
Clear Video HD++
Graphics max frequency1.3 GHz1.05 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-4950HQ and Core i5-9400 integrated GPUs.

Number of displays supported33
eDP+no data
DisplayPort+-
HDMI+-
VGA+no data

Graphics image quality

Maximum display resolutions supported by Core i7-4950HQ and Core i5-9400 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.43840x2160@30Hz4096 x 2304@24Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPort3840x2160@60Hz4096 x 2304@60Hz
Max resolution over VGA2880x1800@60Hzno data

Graphics API support

APIs supported by Core i7-4950HQ and Core i5-9400 integrated GPUs, sometimes API versions are included.

DirectX11.2/1212
OpenGL4.34.5

Peripherals

Specifications and connection of peripherals supported by Core i7-4950HQ and Core i5-9400.

PCIe version33.0
PCI Express lanes1616

Gaming performance

Pros & cons summary


Performance score 4.15 5.90
Integrated graphics card 3.07 3.09
Recency 7 June 2013 19 October 2018
Physical cores 4 6
Threads 8 6
Chip lithography 22 nm 14 nm
Power consumption (TDP) 47 Watt 65 Watt

i7-4950HQ has 33.3% more threads, and 38.3% lower power consumption.

i5-9400, on the other hand, has a 42.2% higher aggregate performance score, 0.7% faster integrated GPU, an age advantage of 5 years, 50% more physical cores, and a 57.1% more advanced lithography process.

The Core i5-9400 is our recommended choice as it beats the Core i7-4950HQ in performance tests.

Be aware that Core i7-4950HQ is a notebook processor while Core i5-9400 is a desktop one.


Should you still have questions on choice between Core i7-4950HQ and Core i5-9400, ask them in Comments section, and we shall answer.

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Intel Core i7-4950HQ
Core i7-4950HQ
Intel Core i5-9400
Core i5-9400

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Community ratings

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