i9-7900X vs Ultra 7 270HX Plus

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Aggregate performance score

Core Ultra 7 270HX Plus
2026
20 cores / 20 threads, 55 Watt
28.48
+134%
Core i9-7900X
2017, $999
10 cores / 20 threads, 140 Watt
12.15

Core Ultra 7 270HX Plus outperforms Core i9-7900X by a whopping 134% based on our aggregate benchmark results.

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking249824
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data1.31
Market segmentLaptopDesktop processor
Seriesno dataCore i9 (Desktop)
Power efficiency21.453.60
DesignerIntelIntel
ManufacturerTSMCIntel
Architecture codenameArrow Lake-HX Refresh (2026)Skylake (server) (2017−2018)
Release date17 March 2026 (less than a year ago)26 June 2017 (9 years ago)
Launch price (MSRP)no data$999

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Performance to price scatter graph

Currently popular graphics cards are shown for comparison.

Detailed specifications

Basic parameters of Core Ultra 7 270HX Plus and Core i9-7900X: 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 cores20 (Icosa-Core)10 (Deca-Core)
Performance-cores8no data
Efficient-cores12no data
Threads2020
Base clock speed2.4 GHz3.3 GHz
Boost clock speed5.3 GHz4.5 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data33
L1 cache192 KB (per core)64 KB (per core)
L2 cache3 MB (per core)1 MB (per core)
L3 cache30 MB (shared)14 MB (shared)
Chip lithography3 nm14 nm
Die size243 mm2no data
Maximum core temperatureno data95 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors17,800 millionno data
64 bit support++
Windows 11 compatibilityno data+
Unlocked multiplier++

Compatibility

Information on Core Ultra 7 270HX Plus and Core i9-7900X 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 (Uniprocessor)
SocketFCBGA2114Socket R4
Power consumption (TDP)55 Watt140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 270HX Plus and Core i9-7900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology-+
TSX-+
Idle States+no data
Thermal Monitoring+-
Turbo Boost Max 3.0++
Deep Learning Boost+-
Supported AI Software FrameworksOpenVINO™, WindowsML, DirectML, ONNX RT, WebNN-

Security technologies

Core Ultra 7 270HX Plus and Core i9-7900X technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB++
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 270HX Plus and Core i9-7900X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 270HX Plus and Core i9-7900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-6400DDR4
Maximum memory size256 GB128 GB
Max memory channels24
Maximum memory bandwidthno data85.33 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® GraphicsN/A
Quick Sync Video+-
Graphics max frequency1.9 GHzno data

Graphics interfaces

Available interfaces and connections of Core Ultra 7 270HX Plus and Core i9-7900X integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core Ultra 7 270HX Plus and Core i9-7900X integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hz (HDMI 2.1 TMDS)7680 x 4320 @ 60Hz (HDMI 2.1 FRL)no data
Max resolution over eDP3840 x 2400 @ 120Hzno data
Max resolution over DisplayPort7680 x 4320 @ 60Hzno data

Graphics API support

APIs supported by Core Ultra 7 270HX Plus and Core i9-7900X integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 270HX Plus and Core i9-7900X.

PCIe version5.0 and 4.03.0
PCI Express lanes2444

Synthetic benchmarks

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.

Ultra 7 270HX Plus 28.48
+134%
i9-7900X 12.15

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. Other than that, Passmark measures multi-core performance.

Ultra 7 270HX Plus 48768
+135%
Samples: 7
i9-7900X 20794
Samples: 1431

Gaming performance

Pros & cons summary


Performance score 28.48 12.15
Recency 17 March 2026 26 June 2017
Physical cores 20 10
Chip lithography 3 nm 14 nm
Power consumption (TDP) 55 Watt 140 Watt

Ultra 7 270HX Plus has a 134% higher aggregate performance score, an age advantage of 8 years, 100% more physical cores, a 367% more advanced lithography process, and 155% lower power consumption.

The Intel Core Ultra 7 270HX Plus is our recommended choice as it beats the Intel Core i9-7900X in performance tests.

Be aware that Core Ultra 7 270HX Plus is a notebook processor while Core i9-7900X is a desktop one.

Other comparisons

We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.

Community ratings

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


5 1 vote

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4 240 votes

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Comments

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