i5-10400F vs i5-6685R

Primary details

Comparing Core i5-6685R and Core i5-10400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	915
Place by popularity	not in top-100	12
Cost-effectiveness evaluation	no data	22.94
Market segment	Desktop processor	Desktop processor
Series	Intel Core i5	no data
Power efficiency	no data	11.94
Architecture codename	Skylake (2015−2016)	Comet Lake (2020)
Release date	22 April 2016 (8 years ago)	30 April 2020 (4 years ago)
Launch price (MSRP)	$288	$155

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-6685R and Core i5-10400F basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	4 (Quad-Core)	6 (Hexa-Core)
Threads	4	12
Base clock speed	3.2 GHz	2.9 GHz
Boost clock speed	3.8 GHz	4.3 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	8 GT/s
Multiplier	32	no data
L1 cache	256 KB	64K (per core)
L2 cache	1 MB	256K (per core)
L3 cache	6 MB	12 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	71 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Core i5-6685R and Core i5-10400F compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1 (Uniprocessor)	1
Socket	no data	FCLGA1200
Power consumption (TDP)	65 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-6685R and Core i5-10400F. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
eDRAM	128 MB	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	-	+
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
Turbo Boost Max 3.0	no data	-

Security technologies

Core i5-6685R and Core i5-10400F technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
MPX	+	-
Identity Protection	+	+
SGX	Yes with Intel® ME	Yes with Intel® ME
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-6685R and Core i5-10400F are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-6685R and Core i5-10400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1866/2133, DDR3L-1333/1600	DDR4
Maximum memory size	64 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	34.134 GB/s	41.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel Iris Pro Graphics 580	no data
Max video memory	64 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.15 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-6685R and Core i5-10400F integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Core i5-6685R and Core i5-10400F integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Core i5-6685R and Core i5-10400F integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-6685R and Core i5-10400F.

PCIe version	3.0	3.0
PCI Express lanes	16	16

Pros & cons summary

---

Recency	22 April 2016	30 April 2020
Physical cores	4	6
Threads	4	12

---

Should you still have questions on choice between Core i5-6685R and Core i5-10400F, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---