Ultra 7 255U vs i7-6500U

Primary details

Comparing Core i7-6500U and Core Ultra 7 255U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1931	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	no data
Power efficiency	13.02	no data
Architecture codename	Skylake (2015−2016)	no data
Release date	1 September 2015 (9 years ago)	1 January 2025 (less than a year ago)
Launch price (MSRP)	$393	no data

Detailed specifications

Core i7-6500U and Core Ultra 7 255U 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	2 (Dual-core)	12 (Dodeca-Core)
Performance-cores	no data	2
Efficient-cores	no data	8
Low Power Efficient-cores	no data	2
Threads	4	14
Base clock speed	2.5 GHz	no data
Boost clock speed	3.1 GHz	5.2 GHz
Bus type	OPI	no data
Bus rate	4 GT/s	no data
Multiplier	25	no data
L1 cache	128 KB	no data
L2 cache	512 KB	no data
L3 cache	4 MB	12 MB
Chip lithography	14 nm	Intel 3 nm
Die size	98.57 mm2	no data
Maximum core temperature	100 °C	no data
Number of transistors	1750 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Core i7-6500U and Core Ultra 7 255U 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	FCBGA1356	FCBGA2049
Power consumption (TDP)	15 Watt	57 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6500U and Core Ultra 7 255U. 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)	+	no data
Speed Shift	no data	+
My WiFi	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Smart Response	+	no data
Turbo Boost Max 3.0	no data	-
Deep Learning Boost	-	+
Supported AI Software Frameworks	-	OpenVINO™, WindowsML, ONNX RT

Security technologies

Core i7-6500U and Core Ultra 7 255U technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	+	+
MPX	+	-
Identity Protection	+	-
SGX	Yes with Intel® ME	no data
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6500U and Core Ultra 7 255U are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6500U and Core Ultra 7 255U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR5-6400
Maximum memory size	32 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	34.134 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 520	Intel® Graphics
Max video memory	32 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.05 GHz	2.1 GHz
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-6500U and Core Ultra 7 255U integrated GPUs.

Number of displays supported	3	4
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Core i7-6500U and Core Ultra 7 255U integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDP	4096x2304@60Hz	3840x2400 @ 120Hz
Max resolution over DisplayPort	4096x2304@60Hz	7680 x 4320 @ 60Hz
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Core i7-6500U and Core Ultra 7 255U integrated GPUs, sometimes API versions are included.

DirectX	12	12.2
OpenGL	4.5	4.6

Peripherals

Specifications and connection of peripherals supported by Core i7-6500U and Core Ultra 7 255U.

PCIe version	3.0	no data
PCI Express lanes	12	20
PCI support	no data	4.0

Pros & cons summary

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Recency	1 September 2015	1 January 2025
Physical cores	2	12
Threads	4	14
Power consumption (TDP)	15 Watt	57 Watt

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Should you still have questions on choice between Core i7-6500U and Core Ultra 7 255U, ask them in Comments section, and we shall answer.

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