Intel Core i7-11700K (11700KF)
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Product Overview
Intel Core i7-11700K is an unlocked (K-series) desktop microprocessor in Intel's 11th-gen Core, Rocket Lake family. It is also available without integrated graphics in the form of i7-11700KF.
Like its predecessor, the Core i7-11700K comes with 8 cores and 16 threads. However, its single-core maximum frequency via Intel Turbo Boost Max Technology 3.0 is reduced to 5.0GHz. Likewise, TDP-down frequency and all-core turbo frequency are also down.
Rocket Lake is based on its new Cypress Cove microarchitecture backported to the 14nm process. Intel claims that up to 22% IPC (instructions per clock) increase may be observed over the 10th-gen Comet Lake units under the best-case scenarios.
Another area where Intel improved is the integrated graphics, now named Intel UHD 750. It observes higher base and boost frequencies and includes more transistors.
Last but not least, the new Rocket Lake processors support DDR4-3200MHz memories, though the i7-11700K/KF defaults to 2:1 ratio of DRAM to memory controller at this frequency. Intel also includes PCIe 4.0 support with up to 20 lanes.
Alongside the i7-11700K, Intel also markets the Core i7-11700KF. The "F" designation means the i7-11700KF does not come with the integrated graphics. Intel debuted this concept in 2019 in order to salvage chips with defective GPUs that are otherwise perfect. As a result, the i7-11700KF shares with the i7-11700K all specifications except for the difference in integrated graphics. For desktop users with discrete graphics installed, the F-series chip may be an interesting option, thanks to its lower MSRP.
Three other Core i7 models introduced with the i7-11700K/KF are the i7-11700, the iGPU-less i7-11700F, and the low-powered i7-11700T.
Ratings
What we found
Pros
- New Cypress Cove cores are faster than the Core i7
- Improved CPU performance compared to its predecessor
Cons
- Nothing in particular
What external reviewers found
External score 69%
Pros
- Very good performance
- Strong performance at 4K and 1080p
- Supports all-core Boosts
- High-quality components
- Competitive price/performance ratio for an eight-core CPU
- Low power consumption
Cons
- Lackluster CPU performance
- Lackluster performance at 1080p and 1440p resolution
- Only supports DDR4-3200 with 'Gear 2' setting
- High price
- Higher power consumption than the Core i9-11900K
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Specifications
Connectivity
CPU Socket
FCLGA1200
PCI Express
20 lanes of 4.0 (1x16 + 1x4, 2x8 + 1x4, or 1x8 + 3x4)
Construction
Form Factor
Desktop microprocessor
Lithography
14 nm
Platform
Rocket Lake
Dimensions
Size | Depth
37.5 mm
Size | Width
37.5 mm
Function
Graphics
Intel UHD Graphics 750, base 350MHz, boost 1.3GHz, max memory 64GB
Operating Temperature
Max 100°C T Junction
Processor | Cores
8 cores
Processor | Threads
16 threads
Resolution
Max Resolution 5K DCI via DP (5120x3200@60Hz) or 4K DCI via HDMI (4096 x 2160@60Hz)
Security
Intel AES New Instructions, Secure Key, Intel OS Guard, Intel Trusted Execution, Execute Disable Bit , Intel Boot Guard
Supported Technologies
Intel Deep Learning Boost, Intel Turbo Boost Max 3.0, Intel vPro, Intel Hyper-Threading Technology, Intel Virtualization Technology, Enhanced Intel SpeedStep Technology
Thermal Solution
PCG 2019A
Performance
Cache
16 MB Intel Smart Cache
Frequency
3.6 GHz Base | 3.1 GHz TDP-down | 5.0 GHz single core / 4.6 GHz all cores Turbo
Memory | Capacity
Supports up to 128GB
Memory | Type
DDR4 3200MHz, max 2 channels, max 50GB/s bandwidth
Power Consumption
125 W TDP / 95 W TDP-down
Production
Debut
2021 Q1
Related Products
External Reviews
anandtech[1]
Reviewer score 66% (normalized by Neofiliac)Core i7-11700K is rated at 125 W. But in practice for a mild AVX2 workload we saw 225 W of power consumption. Power peaked at an eye-catching 292 W on one of our tests systems. In a core-for-core comparison, Intel is slightly slower and a lot more inefficient. The smart money would be to get the AMD processor.
Pros
- Very good performance
- Low power consumption
- High-quality components
Cons
- High price
- Lackluster CPU performance
pcmag[2]
Reviewer score 66% (normalized by Neofiliac)The Core i7-11700K is the only eight-core Intel 11th Generation chip you should consider in most cases. The main selling point for this processor is availability. At this writing, you can not only find one in stock at all major online outlets, but you can even get one on discount at places like Micro Center.
Pros
- Competitive price/performance ratio for an eight-core CPU
- Strong performance at 4K and 1080p
Cons
- Lackluster performance at 1080p and 1440p resolution
- Higher power consumption than the Core i9-11900K
tomshardware[3]
Reviewer score 76% (normalized by Neofiliac)The Core i7-11700K uses the same eight-core 16-thread silicon as the Core i9-11900K, but there are a few key differentiators. The 11700K has a lower binning that results in lower peak clock frequencies of 5.0 GHz, a 300 MHz reduction compared to the 11900K. It also has lower peak memory frequencies in low-latency Gear 1 mode.
Pros
- Low-latency Gear 1 mode
- Low peak clock frequencies
- Supports all-core Boosts
Cons
- Only supports DDR4-3200 with 'Gear 2' setting
References
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