Athlon X4 840 vs i7-7820X

VS

Aggregate performance score

Core i7-7820X
2017
8 cores / 16 threads, 140 Watt
11.22
+417%

Core i7-7820X outperforms Athlon X4 840 by a whopping 417% based on our aggregate benchmark results.

Primary details

Comparing Core i7-7820X and Athlon X4 840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking7121870
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.37no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i74x Athlon
Power efficiency7.313.04
Architecture codenameSkylake (server) (2017−2019)Kaveri (2014−2015)
Release date30 May 2017 (7 years ago)August 2014 (10 years ago)
Launch price (MSRP)$599no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-7820X and Athlon X4 840 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 cores8 (Octa-Core)4 (Quad-Core)
Threads164
Base clock speed3.6 GHz3.1 GHz
Boost clock speed4.5 GHz3.8 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier36no data
L1 cache512 KB256K
L2 cache8 MB4 MB
L3 cache11 MB (shared)no data
Chip lithography14 nm28 nm
Die sizeno data245 mm2
Maximum core temperature99 °Cno data
Maximum case temperature (TCase)72 °C72 °C
Number of transistorsno data2,411 million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier++

Compatibility

Information on Core i7-7820X and Athlon X4 840 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)1
SocketFCLGA2066Socket FM2+
Power consumption (TDP)140 Watt65 watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7820X and Athlon X4 840. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI++
FMA-+
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Turbo Boost Max 3.0+no data

Security technologies

Core i7-7820X and Athlon X4 840 technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7820X and Athlon X4 840 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7820X and Athlon X4 840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR3
Maximum memory size128 GBno data
Max memory channels4no data
Maximum memory bandwidth85.33 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by Core i7-7820X and Athlon X4 840.

PCIe version3.03.0
PCI Express lanes2816

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.

i7-7820X 11.22
+417%
Athlon X4 840 2.17

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.

i7-7820X 17165
+416%
Athlon X4 840 3325

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.

i7-7820X 1429
+220%
Athlon X4 840 447

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.

i7-7820X 7880
+608%
Athlon X4 840 1113

Gaming performance

Pros & cons summary


Performance score 11.22 2.17
Recency 30 May 2017 on August 2014
Physical cores 8 4
Threads 16 4
Chip lithography 14 nm 28 nm
Power consumption (TDP) 140 Watt 65 Watt

i7-7820X has a 417.1% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 300% more threads, and a 100% more advanced lithography process.

Athlon X4 840, on the other hand, has 115.4% lower power consumption.

The Core i7-7820X is our recommended choice as it beats the Athlon X4 840 in performance tests.


Should you still have questions on choice between Core i7-7820X and Athlon X4 840, ask them in Comments section, and we shall answer.

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Intel Core i7-7820X
Core i7-7820X
AMD Athlon X4 840
Athlon X4 840

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Community ratings

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Questions & comments

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