Quick Verdict
A highly efficient 35W processor that delivers reliable quad-core performance for SFF builds, though it lacks the power for modern heavy workloads.
Overview
Launch
Sep 1st, 2015
Status
End-of-lifeGeneration
Core i7 (Skylake)
Market
Desktop
The Intel Core i7-6700T is a low-power, quad-core desktop processor introduced as part of the 6th Generation Skylake lineup. Designed specifically for small form factor PCs, AIO systems, and environments where thermal dissipation is restricted, this chip operates with a remarkably low 35-watt thermal design power. Despite its power-saving orientation, it boasts four cores and eight threads, providing solid multitasking capabilities. The processor features a base frequency of 2.8 GHz and can dynamically boost up to 3.6 GHz using Intel Turbo Boost 2.0. It incorporates 8 MB of L3 cache and supports dual-channel DDR3L or DDR4 memory, offering flexibility for system builders. Integrated Intel HD Graphics 530 handle basic display outputs and multimedia tasks efficiently. This CPU represents an excellent balance between performance and energy efficiency, making it ideal for office machines, HTPCs, and compact workstation builds where quiet operation and low heat generation are prioritized over raw, unlocked computing power.
The Intel Core i7-6700T is a Skylake processor with 4 cores and 8 threads. It features a base clock of 2.8 GHz and boosts up to 3.
6 GHz. With a 35W TDP, it is ideal for Mini-ITX builds and AIOs where cooling and noise are major concerns.
Specifications
Performance
Handles office applications and multitasking smoothly.
Can run light VMs but limited by 35W power constraints.
Only suitable for very light or older games on low settings.
Outstanding power-to-performance ratio for silent computing.
- •Relies on Intel HD Graphics 530
- •Not suitable for modern AAA titles
- •Great for retro or indie gaming
- •No dedicated AI hardware
- •Basic CPU inference only
Architecture
14nm
Process Node
Skylake
Codename
4C / 8T
Core Config
8 MB
L3 Cache
35 W
TDP
Architecture Overview
Built on Intel's 14nm Skylake microarchitecture, the Core i7-6700T represents a significant refinement in transistor scaling and power efficiency over previous generations. Skylake introduced a new microarchitecture that improved IPC (Instructions Per Clock) while maintaining the 14nm process node. The 6700T utilizes a 4-core, 8-thread configuration via Intel's Hyper-Threading technology. It integrates the Gen 9 Intel HD Graphics 530, which operates dynamically between 350 MHz and 1100 MHz. A key architectural feature of this processor is its dual-memory controller, supporting both DDR3L 1600 MT/s and DDR4 2133 MT/s, allowing for a smooth platform transition. The chip provides 16 PCIe 3.0 lanes for direct component connectivity. Its strict 35W TDP is achieved through aggressive power gating and voltage optimization, allowing it to sustain high boost clocks for short bursts while maintaining incredibly low thermals for continuous operation in fanless or tightly constrained chassis.
CPU Design
4 cores, 8 threads, optimized for 35W.
Memory Subsystem
Dual-channel DDR3L or DDR4-2133.
PCIe & I/O
16 PCIe 3.0 lanes.
Overclocking
Locked multiplier.
- DDR4 memory support
- Improved IPC
- Better integrated graphics
Key Highlights
- Extremely low 35W TDP
- Supports DDR4 memory
- Good for silent computing
- Solid quad-core multitasking
- Locked multiplier
- Older 14nm process
- Weak integrated graphics
- Limited upgrade path
History
Launched in September 2015, the Core i7-6700T arrived during a critical transition period for the PC industry. The Skylake generation marked Intel's shift to the LGA 1151 socket and introduced DDR4 memory to the mainstream desktop market. During this era, small form factor computing was gaining significant traction, with users increasingly demanding smaller, quieter, and more power-efficient PCs without sacrificing performance.
Intel responded by offering 'T' series processors, with the 6700T leading the pack for performance-oriented compact builds. It allowed manufacturers to create sleek mini PCs and AIOs that didn't suffer from the severe thermal throttling common in earlier low-power chips. While the standard 6700 and 6700K garnered most of the enthusiast attention, the 6700T played a crucial role in the enterprise and SFF markets, proving that 35W was sufficient for premium quad-core computing and helping to redefine the standard for office and living room PCs.
Improvements over Previous Generation
- DDR4 memory support
- Improved IPC
- Better integrated graphics
Alternatives & Competitors
Should You Buy It?
Recommended for the right buyer
Building a low-power home server or near-silent HTPC.
Avoid if…
- Modern gaming
- Heavy video editing
- Building a new system from scratch
Use Cases
Interesting Facts
The 'T' suffix designates a low-power desktop processor.
It consumes less than half the power of the i7-6700.
Can be passively cooled with specific Mini-ITX cases.
Features Intel SGX for secure data enclaves.
Supports both DDR3L and DDR4 memory.
Includes vPro support for enterprise management.
Has a tCase max of 66°C.
Uses the FC-LGA14C package.
Launched in September 2015.
Integrated graphics can drive up to 3 displays.
People Also Ask
What does the T mean in i7-6700T?
It stands for a low-power desktop variant with a 35W TDP.
Can the i7-6700T be overclocked?
No, the multiplier is locked.
Is the i7-6700T good for gaming?
Only for light gaming; its HD 530 graphics are weak for modern titles.
What socket does the i7-6700T use?
It uses the LGA 1151 socket.
Does the i7-6700T support DDR4?
Yes, it supports both DDR3L and DDR4.
Can the i7-6700T be passively cooled?
Yes, with a large enough passive heatsink case.
What is the TDP of i7-6700T?
35 Watts.
How many cores does it have?
4 cores and 8 threads.
Is it compatible with Windows 11?
Officially not supported, but capable of running it.
Does it support vPro?
Yes, it includes vPro for remote management.
Frequently Asked Questions
Does the i7-6700T have integrated graphics?
Yes, Intel HD Graphics 530.
Does it support ECC memory?
No, ECC is not supported.
What is the max turbo frequency?
3.6 GHz.
What chipsets support it?
Intel 100 Series and 200 Series.
Is it good for a NAS?
Excellent, due to low power and 8 threads.
Can it output 4K @ 60Hz?
Yes, via DisplayPort or HDMI 2.0 with compatible motherboard.
What is the L3 cache size?
8 MB.
Does it support Hyper-Threading?
Yes.
What is the base clock?
2.8 GHz.
Does it support Intel Optane?
No, Optane support started with 7th Gen.