i7-9700E vs i7-1255U

Aggregate performance score

Core i7-1255U
2022
10 cores / 12 threads, 15 Watt
8.53
+7.6%
Core i7-9700E
2019
8 cores / 8 threads, 65 Watt
7.93

Core i7-1255U outperforms Core i7-9700E by a small 8% based on our aggregate benchmark results.

Primary details

Comparing Core i7-1255U and Core i7-9700E processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking895952
Place by popularity74not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Alder Lake-Mno data
Power efficiency53.8211.55
Architecture codenameAlder Lake-U (2022)Coffee Lake (2017−2019)
Release date23 February 2022 (2 years ago)23 April 2019 (5 years ago)

Detailed specifications

Core i7-1255U and Core i7-9700E 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 cores10 (Deca-Core)8 (Octa-Core)
Threads128
Base clock speed1.7 GHz2.6 GHz
Boost clock speed4.7 GHz4.4 GHz
L1 cache80K (per core)64K (per core)
L2 cache1.25 MB (per core)256K (per core)
L3 cache12 MB (shared)12 MB (shared)
Chip lithographyIntel 7 nm14 nm
Die sizeno data180.3 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i7-1255U and Core i7-9700E 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
SocketFCBGA17441151
Power consumption (TDP)15 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-1255U and Core i7-9700E. 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++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Hyper-Threading Technology+no data
TSX++
Thermal Monitoring+-
Flex Memory Access+no data
Deep Learning Boost+-

Security technologies

Core i7-1255U and Core i7-9700E technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-1255U and Core i7-9700E are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-1255U and Core i7-9700E. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR4-2666
Maximum memory size64 GBno data
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® Iris® Xe Graphics eligibleIntel UHD Graphics 630
Quick Sync Video+-
Graphics max frequency1.25 GHzno data
Execution Units96no data

Graphics interfaces

Available interfaces and connections of Core i7-1255U and Core i7-9700E integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core i7-1255U and Core i7-9700E integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hzno data
Max resolution over eDP4096 x 2304 @ 120Hzno data
Max resolution over DisplayPort7680 x 4320 @ 60Hzno data

Graphics API support

APIs supported by Core i7-1255U and Core i7-9700E integrated GPUs, sometimes API versions are included.

DirectX12.1no data
OpenGL4.6no data

Peripherals

Specifications and connection of peripherals supported by Core i7-1255U and Core i7-9700E.

PCIe version4.03.0
PCI Express lanes2016

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.

i7-1255U 8.53
+7.6%
i7-9700E 7.93

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.

i7-1255U 13545
+7.5%
i7-9700E 12595

Gaming performance

Pros & cons summary


Performance score 8.53 7.93
Recency 23 February 2022 23 April 2019
Physical cores 10 8
Threads 12 8
Power consumption (TDP) 15 Watt 65 Watt

i7-1255U has a 7.6% higher aggregate performance score, an age advantage of 2 years, 25% more physical cores and 50% more threads, and 333.3% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i7-1255U and Core i7-9700E.

Be aware that Core i7-1255U is a notebook processor while Core i7-9700E is a desktop one.


Should you still have questions on choice between Core i7-1255U and Core i7-9700E, ask them in Comments section, and we shall answer.

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Intel Core i7-1255U
Core i7-1255U
Intel Core i7-9700E
Core i7-9700E

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