i3-1005G1 vs i5-7287U

Place in the ranking	1781	1619
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i5	Intel Core i3
Power efficiency	7.98	19.53
Architecture codename	Kaby Lake (2016−2019)	Ice Lake (Client) (2019)
Release date	3 January 2017 (7 years ago)	1 August 2019 (5 years ago)
Launch price (MSRP)	$304	$281

Detailed specifications

Core i5-7287U and Core i3-1005G1 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)	2 (Dual-core)
Threads	4	4
Base clock speed	3.3 GHz	1.2 GHz
Boost clock speed	3.7 GHz	3.4 GHz
Bus type	OPI	OPI
Bus rate	4 GT/s	4 × 4 GT/s
Multiplier	33	12
L1 cache	128 KB	160 KB
L2 cache	512 KB	1 MB
L3 cache	4 MB	4 MB (shared)
Chip lithography	14 nm	10 nm
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Core i5-7287U and Core i3-1005G1 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 (Uniprocessor)
Socket	BGA1356	FCBGA1526
Power consumption (TDP)	28 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-7287U and Core i3-1005G1. 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, Intel® AVX-512
AES-NI	+	+
FMA	-	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
eDRAM	64 MB	no data
Speed Shift	+	+
My WiFi	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Smart Response	+	no data
Deep Learning Boost	-	+

Security technologies

Core i5-7287U and Core i3-1005G1 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 i5-7287U and Core i3-1005G1 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-7287U and Core i3-1005G1. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4
Maximum memory size	32 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	34.134 GB/s	59.732 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel Iris Plus Graphics 650	Intel® UHD Graphics for 10th Gen Intel® Processors
Max video memory	32 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.1 GHz	900 MHz
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-7287U and Core i3-1005G1 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i5-7287U and Core i3-1005G1 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@30Hz	4096 x 2304@60Hz
Max resolution over eDP	4096x2304@60Hz	5120 x 3200@60Hz
Max resolution over DisplayPort	4096x2304@60Hz	5120 x 3200@60Hz
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Core i5-7287U and Core i3-1005G1 integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.5	4.6

Peripherals

Specifications and connection of peripherals supported by Core i5-7287U and Core i3-1005G1.

PCIe version	3.0	3.0
PCI Express lanes	12	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i5-7287U 2.40

i3-1005G1 3.15
+31.3%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i5-7287U 3743

i3-1005G1 4913
+31.3%

Gaming performance

Pros & cons summary

Performance score	2.40	3.15
Recency	3 January 2017	1 August 2019
Chip lithography	14 nm	10 nm
Power consumption (TDP)	28 Watt	15 Watt

i3-1005G1 has a 31.3% higher aggregate performance score, an age advantage of 2 years, a 40% more advanced lithography process, and 86.7% lower power consumption.

The Core i3-1005G1 is our recommended choice as it beats the Core i5-7287U in performance tests.

Should you still have questions on choice between Core i5-7287U and Core i3-1005G1, ask them in Comments section, and we shall answer.