Quick Verdict
A top-tier mobile CPU in 2017, offering excellent speeds, but its 45W TDP and 4-core limit make it outdated for modern heavy workloads.
Overview
Launch
2017
Status
End-of-lifeGeneration
7th Gen
Market
Mobile
The Intel Core i7-7920HQ is a high-performance mobile processor launched in January 2017 for premium gaming laptops and mobile workstations. Based on the Kaby Lake-H architecture, this 14nm quad-core CPU features Hyper-Threading, delivering 8 concurrent threads. It operates at a base clock of 3.1 GHz and boosts up to 4.1 GHz, offering top-tier single-threaded performance for its generation. With a 45W TDP, it is designed for thicker, performance-oriented laptop chassis with robust cooling. The processor includes 8MB of L3 cache and supports dual-channel DDR4-2400 or LPDDR3 memory. It features Intel HD Graphics 630, providing basic display capabilities and Quick Sync media acceleration. The 'HQ' suffix denotes a soldered BGA package with high-performance integrated graphics, meaning it cannot be upgraded. The i7-7920HQ was a premium tier chip in 2017, powering high-end systems like the 15-inch MacBook Pro and top-tier gaming laptops, excelling in professional applications and high-refresh-rate gaming.
The Core i7-7920HQ was the flagship Kaby Lake mobile chip. With 4 cores, 8 threads, and a 4.1 GHz turbo, it delivered excellent performance for 2017 laptops.
Its 45W TDP requires active cooling, and it includes HD 630 graphics for media tasks.
Specifications
Performance
Architecture
14nm
Process Node
Kaby Lake-H
Codename
4C / 8T
Core Config
8 MB
L3 Cache
45 W
TDP
Architecture Overview
The Core i7-7920HQ is built on the Kaby Lake-H microarchitecture, utilizing Intel's 14nm+ process optimized for mobile performance. It features 4 physical cores with Hyper-Threading, allowing 8 threads to be processed simultaneously. The architecture includes a full 8MB of shared L3 cache, which helps reduce latency for demanding applications. The integrated memory controller supports both dual-channel DDR4-2400 and LPDDR3-2133, giving manufacturers flexibility between performance and power efficiency. The processor features Intel HD Graphics 630, which operates dynamically between 350 MHz and 1100 MHz, providing hardware decoding for 4K media. Designed for the BGA 1440 socket, it is permanently soldered to the motherboard. The 45W TDP is configurable down to 35W, allowing it to be used in slightly thinner form factors at the cost of sustained performance.
CPU Design
4 cores, 8 threads, locked, BGA package.
Memory Subsystem
Dual-channel DDR4-2400 or LPDDR3-2133.
PCIe & I/O
16 PCIe 3.0 lanes for mobile GPUs.
Overclocking
Locked multiplier; OEM controls power limits.
- Higher base and boost clocks
- Improved 14nm+ process
Key Highlights
- High 4.1 GHz turbo for 2017
- Full 8MB L3 cache
- Configurable TDP for laptop designs
- Includes Quick Sync for media encoding
- Only 4 cores
- High 45W TDP limits battery life
- Soldered to motherboard
- Expensive at launch ($568)
History
Launched in January 2017, the Core i7-7920HQ represented the absolute peak of Intel's Kaby Lake mobile lineup. Positioned as a premium tier chip with a $568 launch price, it was destined for high-end mobile workstations and premium ultraportables like the 2017 15-inch MacBook Pro. The 7920HQ offered slightly higher clocks and more cache than the ubiquitous 7700HQ, justifying its existence for users who needed maximum single-threaded burst performance on the go.
However, its release highlighted the ongoing stagnation in Intel's mobile H-series. While AMD was preparing Ryzen Mobile, Intel continued to push 4-core designs at high prices. The 45W TDP ensured it ran hot, requiring sophisticated laptop cooling solutions.
When Apple and other OEMs began prioritizing thermals and battery life, the 7920HQ's high power draw became a liability. It was eventually phased out by the 8th Gen 8750H, which doubled the core count, rendering the 7920HQ a brief, expensive stopgap in mobile computing history.
Improvements over Previous Generation
- Higher base and boost clocks
- Improved 14nm+ process
Alternatives & Competitors
Should You Buy It?
Not Recommended for the right buyer
Buying a cheap used 2017 laptop
Avoid if…
- You need modern multi-threaded performance
- You want long battery life
- You are buying a new laptop
Use Cases
Interesting Facts
It was the highest clocked Kaby Lake-H processor at launch.
Found in the 2017 15-inch MacBook Pro.
Has an all-core turbo of 3.7 GHz.
Configurable TDP-down is 35W.
Supports both DDR4 and LPDDR3 memory.
Launched at a hefty $568 price point.
Uses the FC-BGA1440 package.
Integrated graphics boost up to 1100 MHz.
Max Tj is 100°C.
Supports Intel vPro enterprise features.
People Also Ask
Is the i7-7920HQ good for gaming?
Yes, it performs well for older games, but 4 cores will bottleneck modern AAA titles.
What is the difference between i7-7920HQ and i7-7700HQ?
The 7920HQ has higher clocks (3.1/4.1 GHz vs 2.8/3.8 GHz) and 8MB cache instead of 6MB.
Can the i7-7920HQ be overclocked?
No, the multiplier is locked. Only the HK series can be overclocked.
What is the TDP of the i7-7920HQ?
It has a base TDP of 45 Watts, configurable down to 35W.
Does the i7-7920HQ have integrated graphics?
Yes, it includes Intel HD Graphics 630.
Can I upgrade the i7-7920HQ in my laptop?
No, it is soldered to the motherboard (BGA 1440).
What is the max turbo of the i7-7920HQ?
The maximum turbo boost is 4.1 GHz.
Does it support Hyper-Threading?
Yes, it has 4 cores and 8 threads.
What memory does it support?
It supports DDR4-2400 and LPDDR3-2133.
Does it support vPro?
Yes, it supports Intel vPro enterprise features.
Frequently Asked Questions
What is the all-core turbo?
The all-core turbo is 3.7 GHz.
Does it support PCIe 4.0?
No, it supports PCIe 3.0.
Can it run Windows 11?
Officially unsupported, but workarounds exist.
What is the Tjmax?
The maximum operating temperature is 100°C.
What is the L3 cache size?
It has 8 MB of L3 cache.
Does it support Optane Memory?
Yes, it supports Intel Optane Memory.
Is the i7-7920HQ unlocked?
No, it has a locked multiplier.
What laptops use the i7-7920HQ?
It was used in premium 2017 laptops like the 15-inch MacBook Pro.
What socket does it use?
It uses the Intel BGA 1440 socket.
Is it good for video editing?
Yes, it handles 1080p editing well, though 4K will be slower than modern CPUs.