Ultra 7 256V vs i7-7800X

VS

Aggregate performance score

Core i7-7800X
2017
6 cores / 12 threads, 140 Watt
8.11
Core Ultra 7 256V
2024
8 cores / 8 threads, 17 Watt
12.57
+55%

Core Ultra 7 256V outperforms Core i7-7800X by an impressive 55% based on our aggregate benchmark results.

Primary details

Comparing Core i7-7800X and Core Ultra 7 256V processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking935618
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.31no data
Market segmentDesktop processorLaptop
SeriesIntel Core i7no data
Power efficiency5.4869.98
Architecture codenameSkylake (server) (2017−2018)Lunar Lake (2024)
Release date30 May 2017 (7 years ago)24 September 2024 (less than a year ago)
Launch price (MSRP)$383no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-7800X and Core Ultra 7 256V 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 cores6 (Hexa-Core)8 (Octa-Core)
Threads128
Base clock speed3.5 GHz2.2 GHz
Boost clock speed4 GHz4.8 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s37 MHz
Multiplier35no data
L1 cache384 KB192 KB (per core)
L2 cache6 MB2.5 MB (per core)
L3 cache8.25 MB (shared)12 MB (shared)
Chip lithography14 nm3 nm
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Core i7-7800X and Core Ultra 7 256V 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 configuration1 (Uniprocessor)1
SocketFCLGA2066Intel BGA 2833
Power consumption (TDP)140 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7800X and Core Ultra 7 256V. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX++

Security technologies

Core i7-7800X and Core Ultra 7 256V technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7800X and Core Ultra 7 256V are enumerated here.

VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7800X and Core Ultra 7 256V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400DDR5
Maximum memory size128 GBno data
Max memory channels4no data
Maximum memory bandwidth85.33 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AArc 140V

Peripherals

Specifications and connection of peripherals supported by Core i7-7800X and Core Ultra 7 256V.

PCIe version3.05.0
PCI Express lanes284

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.

i7-7800X 8.11
Ultra 7 256V 12.57
+55%

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.

i7-7800X 12883
Ultra 7 256V 19971
+55%

Gaming performance

Pros & cons summary


Performance score 8.11 12.57
Recency 30 May 2017 24 September 2024
Physical cores 6 8
Threads 12 8
Chip lithography 14 nm 3 nm
Power consumption (TDP) 140 Watt 17 Watt

i7-7800X has 50% more threads.

Ultra 7 256V, on the other hand, has a 55% higher aggregate performance score, an age advantage of 7 years, 33.3% more physical cores, a 366.7% more advanced lithography process, and 723.5% lower power consumption.

The Core Ultra 7 256V is our recommended choice as it beats the Core i7-7800X in performance tests.

Note that Core i7-7800X is a desktop processor while Core Ultra 7 256V is a notebook one.


Should you still have questions on choice between Core i7-7800X and Core Ultra 7 256V, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i7-7800X
Core i7-7800X
Intel Core Ultra 7 256V
Core Ultra 7 256V

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Community ratings

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Questions & comments

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