Ryzen 7 PRO 7840U vs i7-6820HK

VS

Aggregate performance score

Core i7-6820HK
2015
4 cores / 8 threads, 45 Watt
4.45
Ryzen 7 PRO 7840U
2023
8 cores / 16 threads, 28 Watt
15.52
+249%

Ryzen 7 PRO 7840U outperforms Core i7-6820HK by a whopping 249% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6820HK and Ryzen 7 PRO 7840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1330449
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7AMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency9.3652.46
Architecture codenameSkylake (2015−2016)Phoenix (Zen 4) (2023)
Release date1 September 2015 (9 years ago)3 May 2023 (1 year ago)
Launch price (MSRP)$378no data

Detailed specifications

Core i7-6820HK and Ryzen 7 PRO 7840U 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)8 (Octa-Core)
Threads816
Base clock speed2.7 GHz3.3 GHz
Boost clock speed3.6 GHz5.1 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier27no data
L1 cache256 KB512 KB
L2 cache1 MB8 MB
L3 cache8 MB16 MB
Chip lithography14 nm4 nm
Die size122 mm2178 mm2
Maximum core temperature100 °C100 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i7-6820HK and Ryzen 7 PRO 7840U 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 configuration1 (Uniprocessor)no data
SocketFCBGA1440no data
Power consumption (TDP)45 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6820HK and Ryzen 7 PRO 7840U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)+no data
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Smart Response+no data

Security technologies

Core i7-6820HK and Ryzen 7 PRO 7840U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6820HK and Ryzen 7 PRO 7840U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6820HK and Ryzen 7 PRO 7840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4no data
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth34.134 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 530AMD Radeon 780M ( - 2700 MHz)
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.05 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-6820HK and Ryzen 7 PRO 7840U integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i7-6820HK and Ryzen 7 PRO 7840U integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i7-6820HK and Ryzen 7 PRO 7840U integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i7-6820HK and Ryzen 7 PRO 7840U.

PCIe version3.0no data
PCI Express lanes16no 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.

i7-6820HK 4.45
Ryzen 7 PRO 7840U 15.52
+249%

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.

i7-6820HK 7068
Ryzen 7 PRO 7840U 24647
+249%

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.

i7-6820HK 1207
Ryzen 7 PRO 7840U 2149
+78%

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.

i7-6820HK 3920
Ryzen 7 PRO 7840U 9518
+143%

Cinebench 15 64-bit multi-core

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

i7-6820HK 709
Ryzen 7 PRO 7840U 2218
+213%

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.

i7-6820HK 152
Ryzen 7 PRO 7840U 265
+74.3%

Gaming performance

Pros & cons summary


Performance score 4.45 15.52
Integrated graphics card 2.60 18.32
Recency 1 September 2015 3 May 2023
Physical cores 4 8
Threads 8 16
Chip lithography 14 nm 4 nm
Power consumption (TDP) 45 Watt 28 Watt

Ryzen 7 PRO 7840U has a 248.8% higher aggregate performance score, 604.6% faster integrated GPU, an age advantage of 7 years, 100% more physical cores and 100% more threads, a 250% more advanced lithography process, and 60.7% lower power consumption.

The Ryzen 7 PRO 7840U is our recommended choice as it beats the Core i7-6820HK in performance tests.


Should you still have questions on choice between Core i7-6820HK and Ryzen 7 PRO 7840U, 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 i7-6820HK
Core i7-6820HK
AMD Ryzen 7 PRO 7840U
Ryzen 7 PRO 7840U

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.


4.4 69 votes

Rate Core i7-6820HK on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.2 50 votes

Rate Ryzen 7 PRO 7840U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-6820HK or Ryzen 7 PRO 7840U, agree or disagree with our judgements, or report an error or mismatch.