i7-7820HQ vs i7-4790

Aggregate performance score

Core i7-4790
2014
4 cores / 8 threads, 84 Watt
4.58
+1.6%
Core i7-7820HQ
2017
4 cores / 8 threads, 45 Watt
4.51

Core i7-4790 outperforms Core i7-7820HQ by a minimal 2% based on our aggregate benchmark results.

Primary details

Comparing Core i7-4790 and Core i7-7820HQ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking12931306
Place by popularity71not in top-100
Cost-effectiveness evaluation0.77no data
Market segmentDesktop processorLaptop
SeriesCore i7 (Desktop)Intel Core i7
Power efficiency5.169.48
Architecture codenameHaswell (2013−2015)Kaby Lake-H (2017)
Release date1 May 2014 (10 years ago)3 January 2017 (7 years ago)
Launch price (MSRP)$303$378

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-4790 and Core i7-7820HQ 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)
Threads88
Base clock speed3.6 GHz2.9 GHz
Boost clock speed4 GHz3.9 GHz
Bus typeno dataDMI 3.0
Bus rate5 GT/s8 GT/s
Multiplierno data29
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache8 MB (shared)8 MB (shared)
Chip lithography22 nm14 nm
Die size177 mm2126 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-4790 and Core i7-7820HQ 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)
SocketFCLGA1150FCBGA1440
Power consumption (TDP)84 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4790 and Core i7-7820HQ. 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++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
My WiFi++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
SIPP++
Smart Responseno data+
FDI+no data

Security technologies

Core i7-4790 and Core i7-7820HQ technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4790 and Core i7-7820HQ are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4790 and Core i7-7820HQ. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory size32 GB64 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 4600Intel HD Graphics 630
Max video memory2 GB64 GB
Quick Sync Video++
Clear Videono data+
Clear Video HD++
Graphics max frequency1.2 GHz1.1 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-4790 and Core i7-7820HQ integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-4790 and Core i7-7820HQ integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.44096x2304@24Hz4096x2304@30Hz
Max resolution over eDP3840x2160@60Hz4096x2304@60Hz
Max resolution over DisplayPort3840x2160@60Hz4096x2304@60Hz
Max resolution over VGA1920x1200@60HzN/A

Graphics API support

APIs supported by Core i7-4790 and Core i7-7820HQ integrated GPUs, sometimes API versions are included.

DirectX11.2/1212
OpenGL4.34.5

Peripherals

Specifications and connection of peripherals supported by Core i7-4790 and Core i7-7820HQ.

PCIe versionUp to 3.03.0
PCI Express lanes1616

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.

i7-4790 4.58
+1.6%
i7-7820HQ 4.51

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.

i7-4790 7271
+1.5%
i7-7820HQ 7161

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.

i7-4790 1244
+6.5%
i7-7820HQ 1168

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.

i7-4790 3895
+11.1%
i7-7820HQ 3507

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-4790 5926
i7-7820HQ 6118
+3.2%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i7-4790 22667
+1.3%
i7-7820HQ 22369

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-4790 6.39
+46.8%
i7-7820HQ 9.38

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-4790 8
+4.1%
i7-7820HQ 8

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i7-4790 765
+3.9%
i7-7820HQ 736

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i7-4790 159
i7-7820HQ 163
+2.8%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i7-4790 1.79
i7-7820HQ 1.83
+2.2%

Gaming performance

Pros & cons summary


Performance score 4.58 4.51
Integrated graphics card 1.84 3.10
Recency 1 May 2014 3 January 2017
Chip lithography 22 nm 14 nm
Power consumption (TDP) 84 Watt 45 Watt

i7-4790 has a 1.6% higher aggregate performance score.

i7-7820HQ, on the other hand, has 68.5% faster integrated GPU, an age advantage of 2 years, a 57.1% more advanced lithography process, and 86.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i7-4790 and Core i7-7820HQ.

Note that Core i7-4790 is a desktop processor while Core i7-7820HQ is a notebook one.


Should you still have questions on choice between Core i7-4790 and Core i7-7820HQ, ask them in Comments section, and we shall answer.

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Intel Core i7-4790
Core i7-4790
Intel Core i7-7820HQ
Core i7-7820HQ

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