FX-4350 vs i7-6900K

VS

Aggregate performance score

Core i7-6900K
2016
8 cores / 16 threads, 140 Watt
9.11
+336%
FX-4350
2013
4 cores / 4 threads, 125 Watt
2.09

Core i7-6900K outperforms FX-4350 by a whopping 336% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6900K and FX-4350 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking8351877
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.96no data
Market segmentDesktop processorDesktop processor
Power efficiency6.161.58
Architecture codenameBroadwell-E (2016)Vishera (2012−2015)
Release date31 May 2016 (8 years ago)29 April 2013 (11 years ago)
Launch price (MSRP)$1,020no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-6900K and FX-4350 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 speed3.2 GHz4.2 GHz
Boost clock speed4 GHz4.3 GHz
L1 cache32 KB (per core)no data
L2 cache256 KB (per core)4096 KB
L3 cache20 MB (shared)no data
Chip lithography14 nm32 nm
Die sizeno data315 mm2
Maximum core temperatureno data61 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data1,200 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier++
P0 Vcore voltageno dataMin: 1.275 V - Max: 1.4 V

Compatibility

Information on Core i7-6900K and FX-4350 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
SocketFCLGA2011AM3+
Power consumption (TDP)140 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6900K and FX-4350. You'll probably need this information if you require some particular technology.

AES-NI++
FMA-+
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Smart Response+no data
Turbo Boost Max 3.0+no data

Security technologies

Core i7-6900K and FX-4350 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6900K and FX-4350 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 i7-6900K and FX-4350. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR3
Maximum memory size128 GBno data
Max memory channels4no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataOn certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Core i7-6900K and FX-4350.

PCIe version3.0n/a
PCI Express lanes40no 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.

i7-6900K 9.11
+336%
FX-4350 2.09

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.

i7-6900K 14470
+336%
FX-4350 3321

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.

i7-6900K 1286
+190%
FX-4350 444

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.

i7-6900K 7200
+550%
FX-4350 1107

3DMark Fire Strike Physics

i7-6900K 16860
+265%
FX-4350 4620

Gaming performance

Pros & cons summary


Performance score 9.11 2.09
Recency 31 May 2016 29 April 2013
Physical cores 8 4
Threads 16 4
Chip lithography 14 nm 32 nm
Power consumption (TDP) 140 Watt 125 Watt

i7-6900K has a 335.9% higher aggregate performance score, an age advantage of 3 years, 100% more physical cores and 300% more threads, and a 128.6% more advanced lithography process.

FX-4350, on the other hand, has 12% lower power consumption.

The Core i7-6900K is our recommended choice as it beats the FX-4350 in performance tests.


Should you still have questions on choice between Core i7-6900K and FX-4350, ask them in Comments section, and we shall answer.

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Intel Core i7-6900K
Core i7-6900K
AMD FX-4350
FX-4350

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Community ratings

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