i7-1255U vs PRO A8-8650B

Primary details

Comparing PRO A8-8650B and Core i7-1255U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1913	884
Place by popularity	not in top-100	37
Market segment	Desktop processor	Laptop
Series	no data	Intel Alder Lake-M
Power efficiency	2.94	53.88
Architecture codename	Godaveri (2014−2016)	Alder Lake-U (2022)
Release date	29 September 2015 (9 years ago)	23 February 2022 (2 years ago)

Detailed specifications

PRO A8-8650B and Core i7-1255U 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	4 (Quad-Core)	10 (Deca-Core)
Threads	4	12
Base clock speed	3.2 GHz	1.7 GHz
Boost clock speed	3.9 GHz	4.7 GHz
L1 cache	no data	80K (per core)
L2 cache	4096 KB	1.25 MB (per core)
L3 cache	no data	12 MB (shared)
Chip lithography	28 nm	Intel 7 nm
Die size	245 mm2	no data
Maximum core temperature	71 °C	100 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	2,411 million	no data
64 bit support	+	+
Windows 11 compatibility	no data	+

Compatibility

Information on PRO A8-8650B and Core i7-1255U 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 PRO A8-8650B and Core i7-1255U. 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	+	+
AVX	+	+
FRTC	+	-
FreeSync	+	-
PowerTune	+	-
DualGraphics	+	-
TrueAudio	+	-
PowerNow	+	-
PowerGating	+	-
Out-of-band client management	+	-
VirusProtect	+	-
RAID	+	-
HSA	+	-
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Hyper-Threading Technology	no data	+
TSX	-	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
Deep Learning Boost	-	+

Security technologies

PRO A8-8650B and Core i7-1255U 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 PRO A8-8650B and Core i7-1255U are enumerated here.

AMD-V	+	-
VT-d	no data	+
VT-x	no data	+
EPT	no data	+
IOMMU 2.0	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by PRO A8-8650B and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-2133	DDR4, DDR5
Maximum memory size	no data	64 GB
Max memory channels	2	2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon R7 Graphics	Intel® Iris® Xe Graphics eligible
iGPU core count	6	no data
Number of pipelines	384	no data
Quick Sync Video	-	+
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-
Graphics max frequency	no data	1.25 GHz
Execution Units	no data	96

Graphics interfaces

Available interfaces and connections of PRO A8-8650B and Core i7-1255U integrated GPUs.

Number of displays supported	no data	4
DisplayPort	+	-
HDMI	+	-

Graphics image quality

Maximum display resolutions supported by PRO A8-8650B and Core i7-1255U 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 PRO A8-8650B and Core i7-1255U integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	12.1
OpenGL	no data	4.6
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by PRO A8-8650B and Core i7-1255U.

PCIe version	3.0	4.0
PCI Express lanes	16	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.

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Pros & cons summary

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Performance score	2.02	8.54
Recency	29 September 2015	23 February 2022
Physical cores	4	10
Threads	4	12
Power consumption (TDP)	65 Watt	15 Watt

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Should you still have questions on choice between PRO A8-8650B and Core i7-1255U, ask them in Comments section, and we shall answer.

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