Quick Verdict
A solid 10nm processor that brings Sunny Cove architecture to the mainstream, though the lack of Iris Plus graphics limits its creative potential.
Overview
Launch
Aug 1st, 2019
Status
ActiveGeneration
Core i5 (Sunny Cove-U)
Market
Mobile
The Intel Core i5-1035G1 is a mainstream mobile processor introduced in August 2019 as part of the 10th Generation Ice Lake-U lineup. Fabricated on Intel's 10nm process, it features four cores and eight threads, utilizing the Sunny Cove microarchitecture to deliver substantial instruction-per-clock improvements over older generations. Operating at a 15-watt TDP, it is designed for thin-and-light laptops where balancing performance and battery life is crucial. Unlike its G4 and G7 siblings, the G1 variant integrates Intel UHD Graphics, offering solid multimedia capabilities but lacking the enhanced graphical horsepower of the Iris Plus series. It supports LPDDR4 memory up to 3733 MT/s and features PCIe Gen 3 connectivity. With a base clock of 1.0 GHz and boosting up to 3.6 GHz, this chip serves as a reliable workhorse for everyday productivity, web browsing, and media consumption in budget-friendly to mid-range portable computing devices.
The Core i5-1035G1 brought Intel's 10nm technology to mainstream laptops. With 4 cores and 8 threads, it provides plenty of power for everyday tasks. The main compromise is the use of standard UHD graphics instead of Iris Plus, making it less suited for gaming.
However, for office work and web browsing, it remains a highly capable and efficient chip.
Specifications
Performance
Handles office tasks, browsing, and light coding efficiently.
Can run light virtual machines but limited by core count.
The UHD graphics with only 32 EUs are not suitable for modern gaming.
10nm process ensures good battery life in 15W configurations.
- •Only 32 Execution Units (UHD Graphics)
- •Struggles with modern 3D games
- •Suitable only for 2D or very old games
- •Lacks DL Boost instructions found in higher-end models
- •Limited to basic CPU-based AI tasks
Architecture
10nm
Process Node
Ice Lake-U
Codename
4C / 8T
Core Config
6 MB
L3 Cache
15 W
TDP
Architecture Overview
The Core i5-1035G1 is built upon the Sunny Cove microarchitecture, representing a significant structural redesign aimed at maximizing single-threaded performance. By widening the execution pipeline and improving branch prediction, Sunny Cove delivers higher IPC compared to the long-standing Skylake architecture. Manufactured using Intel's 10nm lithography, the processor die incorporates native PCIe Gen 3 lanes and Thunderbolt 3 support, streamlining motherboard designs. It pairs four physical cores with Hyper-Threading, allowing eight simultaneous processing threads. The memory controller supports DDR4 and LPDDR4X configurations, offering flexible platform designs. However, the integrated graphics represent a cut-down configuration. While still utilizing the Gen 11 graphics architecture, the G1 variant features only 32 execution units, reducing graphical throughput compared to Iris Plus models. This architectural choice targets cost-effectiveness, delivering adequate visual performance for display output and video decoding without the premium associated with higher-end graphical workloads.
CPU Design
4 cores and 8 threads utilizing the Sunny Cove microarchitecture.
Memory Subsystem
Dual-channel DDR4-3200 or LPDDR4X-3733 support.
PCIe & I/O
16 PCIe Gen 3 lanes.
Overclocking
Locked multiplier; OEMs can adjust TDP from 13W to 25W.
- Transition from 14nm to 10nm
- Improved IPC with Sunny Cove
- Native Thunderbolt 3 integration
Key Highlights
- Good everyday CPU performance
- 10nm process for good efficiency
- Supports fast LPDDR4X memory
- Native Thunderbolt 3 support
- Cost-effective solution for OEMs
- Only 32 EUs (UHD Graphics)
- Locked multiplier
- Soldered to the motherboard
- Outclassed by newer 11th Gen and AMD Ryzen 5000 chips
History
Debuting in August 2019, the Core i5-1035G1 arrived during Intel's critical push to mainstream 10nm technology. After years of 14nm refinements, the Ice Lake-U family marked the first widespread availability of Intel's 10nm silicon in consumer laptops. The i5-1035G1 was specifically positioned to capture the volume mainstream laptop market, offering a modern architecture at a more accessible price point.
By utilizing UHD Graphics instead of the more expensive Iris Plus, Intel enabled manufacturers to build competitively priced thin-and-light machines without sacrificing CPU performance. This processor competed directly against AMD's Ryzen 5 3500U, which offered strong integrated graphics. The release of Ice Lake also coincided with Intel's Project Athena initiative, pushing manufacturers to adopt stricter design standards for thin-and-light laptops.
Although eventually superseded by Tiger Lake, the i5-1035G1 played a vital role in establishing 10nm as a viable mainstream technology.
Improvements over Previous Generation
- Transition from 14nm to 10nm
- Improved IPC with Sunny Cove
- Native Thunderbolt 3 integration
Alternatives & Competitors
Should You Buy It?
Recommended for the right buyer
Buying a discounted used laptop for basic productivity and student work.
Avoid if…
- You want to play games
- You need strong integrated graphics performance
- You are buying a new laptop at full retail price
Use Cases
Interesting Facts
It is part of the Ice Lake-U family for thin-and-light laptops.
It features the Sunny Cove microarchitecture.
Unlike G4 and G7 models, it uses UHD Graphics, not Iris Plus.
It was released in August 2019.
It has a configurable TDP ranging from 13W to 25W.
It natively supports Thunderbolt 3.
The processor uses the BGA 1526 socket.
It supports LPDDR4 memory up to 3733 MT/s.
The base frequency is 1000 MHz.
It was designed to compete directly with AMD's Ryzen 5 3500U.
People Also Ask
What is the difference between i5-1035G1 and i5-1035G7?
The G7 has Iris Plus graphics with 64 EUs, while the G1 has UHD graphics with 32 EUs.
Can i5-1035G1 run Windows 11?
Yes, it is officially supported by Windows 11.
Does the i5-1035G1 have a fan?
It usually requires active cooling due to its 15W TDP, though some ultra-thin designs may use passive cooling.
Is the i5-1035G1 good for video editing?
It can handle basic 1080p editing but is not ideal for heavy workloads.
What generation is the i5-1035G1?
It is a 10th Generation Intel Core processor.
Does it support PCIe Gen 4?
No, it supports PCIe Gen 3.
What is the L3 cache size?
It has 6 MB of L3 cache.
Can I upgrade the i5-1035G1?
No, it is soldered to the motherboard.
Does it support Wi-Fi 6?
Yes, platforms featuring this chip typically support Wi-Fi 6.
What process node is it built on?
It is built on Intel's 10nm process.
Frequently Asked Questions
What is the base clock speed of the i5-1035G1?
The base clock speed is 1.0 GHz.
What graphics does the i5-1035G1 use?
It uses Intel UHD Graphics with 32 execution units.
Can the i5-1035G1 turbo boost?
Yes, it can boost up to 3.6 GHz.
How many cores does the i5-1035G1 have?
It has 4 cores and 8 threads.
What is the default TDP?
The default TDP is 15 watts.
What memory does the i5-1035G1 support?
It supports LPDDR4 up to 3733 MT/s and DDR4 up to 3200 MT/s.
Is the i5-1035G1 unlocked for overclocking?
No, the multiplier is locked.
What socket does it use?
It uses the Intel BGA 1526 socket.
Does the i5-1035G1 support Thunderbolt 3?
Yes, Ice Lake processors natively support Thunderbolt 3.
Is it good for gaming?
It is only suitable for very light or older games due to the UHD Graphics.