Intel Core i7-11700B Intel Core Ultra 7 255H
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Intel Core i7-11700B vs Intel Core Ultra 7 255H

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The Intel Core i7-11700B, introduced around 2021, is based on the 10 nm Tiger Lake H architecture. It is intended for compact desktop systems and offers 4 MB L2 and 16 MB L3 cache with 51 GB/s memory bandwidth.

Its integrated graphics is the Intel UHD Graphics 750. The Intel Core Ultra 7 255H, released in 2024, utilizes the 3 nm Arrow Lake H architecture and is optimized for high-performance laptops.

It features 6 MB L2 and 24 MB L3 cache, as well as a significantly higher memory bandwidth of 134 GB/s. The integrated graphics is the much more powerful Intel Arc 140T. In performance comparison, the Intel Core Ultra 7 255H significantly outperforms the Intel Core i7-11700B in single-core and multi-core performance, due to its more modern architecture and finer manufacturing process.

Especially in gaming, the Ultra 7 255H shows significantly better performance thanks to its superior Arc graphics and higher memory bandwidth. Regarding energy efficiency, the Intel Core Ultra 7 255H is more advantageous due to the 3 nm process. The price-performance ratio of the Ultra 7 255H is better due to its outstanding performance data, although systems with this newer processor are more expensive.

For demanding applications, gaming, and future-proof systems, the Intel Core Ultra 7 255H is the clearly superior choice. The Intel Core i7-11700B is more suitable for basic tasks in budget-conscious environments.

Intel Core i7-11700B

  • 10 nm Tiger Lake H architecture
  • Solid performance for compact desktops
  • Intel UHD Graphics 750

Intel Core Ultra 7 255H

  • 3 nm Arrow Lake H architecture
  • Significantly higher computing power and energy efficiency
  • Powerful Intel Arc 140T Graphics
  • Higher memory bandwidth and larger caches

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 2 - 82 %
Intel Core i7-11700B
Rank 1 - 100 %
Intel Core Ultra 7 255H
Multi-core performance
Rank 2 - 73 %
Intel Core i7-11700B
Rank 1 - 100 %
Intel Core Ultra 7 255H
Geekbench 6 Single-Core

Geekbench 6 Single-Core
Single-core performance

Intel Core i7-11700B
8C / 16T · 5.30 GHz
2,265
Intel Core Ultra 7 255H
16C / 16T · 5.10 GHz
2,761
Geekbench 6 Multi-Core

Geekbench 6 Multi-Core
Multi-core performance

Intel Core i7-11700B
8C / 16T · 4.00 GHz
10,050
Intel Core Ultra 7 255H
16C / 16T · 2.00 GHz
14,339
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Core i7-11700B
Intel UHD Graphics 750
666
Intel Core Ultra 7 255H
Intel Arc 140T
5,458

More benchmarks

At a glance

Wischen
Intel Core i7-11700BIntel Core Ultra 7 255H
FamilyIntel Core i7 (300)Intel Core Ultra 7 (31)
CPU groupIntel Core i 11000H (17)Intel Core Ultra 200H (5)
ArchitectureTiger Lake HArrow Lake H
Technology10 nm3 nm
SegmentNotebookNotebook
SocketLGA 1200BGA 2049
PredecessorIntel Core Ultra 7 155H
SuccessorIntel Core Ultra X7 358H

CPU Cores and Base Frequency

Wischen
Intel Core i7-11700BIntel Core Ultra 7 255H
CPU Cores / Threads8 / 1616 / 16
Hyperthreading / SMT
Core architecturenormalhybrid (big.LITTLE)
Core Cluster 1: 8x
3.20 - 5.30 GHz
6x Lion Cove
2.00 - 5.10 GHz
Core Cluster 2: 8x Skymont
1.50 - 4.40 GHz
Core Cluster 3: 2x Crestmont
0.70 - 2.50 GHz
L2-Cache4.00 MB6.00 MB
L3-Cache16.00 MB24.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core i7-11700BIntel Core Ultra 7 255H
GPU nameIntel UHD Graphics 750Intel Arc 140T
GPU frequency0.35 - 1.30 GHz0.60 - 2.25 GHz
CUs / Shader32 / 25664 / 1024
Raytracing
Max. displays33
Max. GPU Memory64 GB32 GB
Technology14 nm5 nm
Release dateQ1/2021Q1/2025

NPU AI performance

Wischen
Intel Core i7-11700BIntel Core Ultra 7 255H
AI hardwareIntel® AI Boost
AI specificationsIntel AI Boost (OpenVINO, WindowsML, DirectML, ONNX RT)
NPU + CPU + iGPU96 TOPS

Memory & PCIe

Wischen
Intel Core i7-11700BIntel Core Ultra 7 255H
MemoryDDR4-3200 (51.2 GB/s)
LPDDR5X-8400 (134.4 GB/s)
DDR5-6400 (102.4 GB/s)
Max. Memory128 GB128 GB
Memory channels22
ECCNoNo
PCIe4.0 x 205.0 x 28
PCIe Bandwidth39.4 GB/s110.3 GB/s

Thermal Management

Wischen
Intel Core i7-11700BIntel Core Ultra 7 255H
TDP65 W28 W
TDP (PL2)224 W @ 56 s115 W
TDP up
TDP down20 W
T. junction max.100 °C110 °C

Technical details

Wischen
Intel Core i7-11700BIntel Core Ultra 7 255H
Chip designMonolithicChiplet
AES-NI
Operating systemsWindows 10, Windows 11, LinuxWindows 11, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsSSE4.1, SSE4.2, AVX2, AVX-512SSE4.1, SSE4.2, AVX2
Release dateQ2/2021Q1/2025
Release price
DocumentsTechnical data sheetTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i7-11700B is 4.8 stars (4 ratings), while Intel Core Ultra 7 255H has received 3.6 stars (246 ratings).

Click on the stars to rate one or both processors.

Intel Core i7-11700B
Intel Core i7-11700B
8C / 16T · 3.20 - 5.30 GHz
Intel Core Ultra 7 255H
Intel Core Ultra 7 255H
16C / 16T · 2.00 - 5.10 GHz

Most popular CPUs in both categories

Intel Core i7-11700B
Intel Core i7-11700B
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