Core i7-1355U vs Athlon X2 340

Primary details

Comparing Athlon X2 340 and Core i7-1355U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2475	736
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Intel Raptor Lake-U
Architecture codename	Trinity (2012−2013)	Raptor Lake-U
Release date	2 October 2012 (11 years ago)	4 January 2023 (1 year ago)
Current price	$96	no data

Detailed specifications

Athlon X2 340 and Core i7-1355U 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 cores	2 (Dual-core)	10 (Deca-Core)
Threads	2	12
Base clock speed	3.2 GHz	1.7 GHz
Boost clock speed	3.6 GHz	5 GHz
L1 cache	96K	80K (per core)
L2 cache	1 MB (shared)	1.25 MB (per core)
L3 cache	no data	12 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	246 mm2	no data
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	74 °C	no data
Number of transistors	1,303 million	no data
64 bit support	+	+
Windows 11 compatibility	no data	+
Unlocked multiplier	No	No

Compatibility

Information on Athlon X2 340 and Core i7-1355U 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 configuration	1	1
Socket	FM2	FCBGA1744
Power consumption (TDP)	65 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X2 340 and Core i7-1355U. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	+	no data
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Hyper-Threading Technology	no data	+
TSX	no data	+
Thermal Monitoring	no data	+
Flex Memory Access	no data	+
Status	no data	Launched

Security technologies

Athlon X2 340 and Core i7-1355U technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X2 340 and Core i7-1355U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon X2 340 and Core i7-1355U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1600	DDR5-5200, DDR4-3200, LPDDR4x-4267
Maximum memory size	no data	96 GB
Max memory channels	no data	2
ECC memory support	no data	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® Iris® Xe Graphics eligible
Quick Sync Video	no data	+
Graphics max frequency	no data	1.3 GHz
Execution Units	no data	96

Graphics interfaces

Available interfaces and connections of Athlon X2 340 and Core i7-1355U integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Athlon X2 340 and Core i7-1355U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2304 @ 60Hz
Max resolution over eDP	no data	4096 x 2304 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Athlon X2 340 and Core i7-1355U integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Athlon X2 340 and Core i7-1355U.

PCIe version	2.0	4.0
PCI Express lanes	no data	20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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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.

Core i7-1355U outperforms Athlon X2 340 by 1045% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	0.85	9.73
Recency	2 October 2012	4 January 2023
Physical cores	2	10
Threads	2	12
Power consumption (TDP)	65 Watt	15 Watt

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Should you still have questions on choice between Athlon X2 340 and Core i7-1355U, ask them in Comments section, and we shall answer.

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