i5-1034G1 vs i5-8400H

Place in the ranking	1244	1129
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i5	Intel Core i5
Power efficiency	10.12	35.96
Architecture codename	Coffee Lake-H (2018−2019)	Ice Lake U (2019−2020)
Release date	2 April 2018 (6 years ago)	29 May 2019 (5 years ago)
Launch price (MSRP)	$250	no data

Detailed specifications

Core i5-8400H and Core i5-1034G1 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)	4 (Quad-Core)
Threads	8	8
Base clock speed	2.5 GHz	0.8 GHz
Boost clock speed	4.2 GHz	3.6 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	25	no data
L1 cache	64K (per core)	192 KB
L2 cache	256K (per core)	2 MB
L3 cache	12 MB (shared)	6 MB
Chip lithography	14 nm	10 nm
Die size	126 mm²	no data
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Core i5-8400H and Core i5-1034G1 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)	no data
Socket	FCBGA1440	no data
Power consumption (TDP)	45 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400H and Core i5-1034G1. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
My WiFi	+	no data
Turbo Boost Technology	2.0	+
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
SIPP	+	-

Security technologies

Core i5-8400H and Core i5-1034G1 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8400H and Core i5-1034G1 are enumerated here.

AMD-V	+	-
VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8400H and Core i5-1034G1. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	no data
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics 630	Intel UHD Graphics G1 (Ice Lake 32 EU)
Max video memory	64 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.1 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-8400H and Core i5-1034G1 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 i5-8400H and Core i5-1034G1 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@30Hz	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 i5-8400H and Core i5-1034G1 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 i5-8400H and Core i5-1034G1.

PCIe version	3.0	no data
PCI Express lanes	16	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.

i5-8400H 4.81

i5-1034G1 5.70
+18.5%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i5-8400H 762

i5-1034G1 873
+14.6%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i5-8400H 170
+3.5%

i5-1034G1 165

Gaming performance

Pros & cons summary

Performance score	4.81	5.70
Integrated graphics card	3.09	3.13
Recency	2 April 2018	29 May 2019
Chip lithography	14 nm	10 nm
Power consumption (TDP)	45 Watt	15 Watt

i5-1034G1 has a 18.5% higher aggregate performance score, 1.3% faster integrated GPU, an age advantage of 1 year, a 40% more advanced lithography process, and 200% lower power consumption.

The Core i5-1034G1 is our recommended choice as it beats the Core i5-8400H in performance tests.

Should you still have questions on choice between Core i5-8400H and Core i5-1034G1, ask them in Comments section, and we shall answer.