FX-8140 vs i5-4670K

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Aggregate performance score

Core i5-4670K
2013
4 cores / 4 threads, 84 Watt
3.51
+14.7%
FX-8140
2012
8 cores / 8 threads, 95 Watt
3.06

Core i5-4670K outperforms FX-8140 by a moderate 15% based on our aggregate benchmark results.

Primary details

Comparing Core i5-4670K and FX-8140 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking15251627
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.49no data
Market segmentDesktop processorDesktop processor
Power efficiency3.953.05
Architecture codenameHaswell (2013−2015)Zambezi (2011−2012)
Release date2 June 2013 (11 years ago)23 October 2012 (12 years ago)
Launch price (MSRP)$266no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-4670K and FX-8140 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)
Threads48
Base clock speed3.4 GHz3.2 GHz
Boost clock speed3.8 GHz4.1 GHz
Bus rate5 GT/sno data
L1 cache64 KB (per core)384 KB
L2 cache256 KB (per core)8 MB
L3 cache6144 KB (shared)8 MB (shared)
Chip lithography22 nm32 nm
Die size177 mm2315 mm2
Maximum case temperature (TCase)72 °Cno data
Number of transistors1,400 million1,200 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier++

Compatibility

Information on Core i5-4670K and FX-8140 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
SocketFCLGA1150AM3+
Power consumption (TDP)84 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-4670K and FX-8140. 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++
FMA-+
AVX++
Enhanced SpeedStep (EIST)+no data
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
FDI+no data

Security technologies

Core i5-4670K and FX-8140 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Secure Key+no data
Identity Protection+-
OS Guard+no data
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-4670K and FX-8140 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 i5-4670K and FX-8140. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 4600no data
Max video memory2 GBno data
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.2 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-4670K and FX-8140 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i5-4670K and FX-8140 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP3840x2160@60Hzno data
Max resolution over DisplayPort3840x2160@60Hzno data
Max resolution over VGA1920x1200@60Hzno data

Graphics API support

APIs supported by Core i5-4670K and FX-8140 integrated GPUs, sometimes API versions are included.

DirectX11.2/12no data
OpenGL4.3no data

Peripherals

Specifications and connection of peripherals supported by Core i5-4670K and FX-8140.

PCIe versionUp to 3.02.0
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.

i5-4670K 3.51
+14.7%
FX-8140 3.06

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.

i5-4670K 5574
+14.7%
FX-8140 4860

Gaming performance

Pros & cons summary


Performance score 3.51 3.06
Recency 2 June 2013 23 October 2012
Physical cores 4 8
Threads 4 8
Chip lithography 22 nm 32 nm
Power consumption (TDP) 84 Watt 95 Watt

i5-4670K has a 14.7% higher aggregate performance score, an age advantage of 7 months, a 45.5% more advanced lithography process, and 13.1% lower power consumption.

FX-8140, on the other hand, has 100% more physical cores and 100% more threads.

The Core i5-4670K is our recommended choice as it beats the FX-8140 in performance tests.


Should you still have questions on choice between Core i5-4670K and FX-8140, ask them in Comments section, and we shall answer.

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Intel Core i5-4670K
Core i5-4670K
AMD FX-8140
FX-8140

Similar processor comparisons

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

Here you can ask a question about Core i5-4670K or FX-8140, agree or disagree with our judgements, or report an error or mismatch.