Ryzen 5 3400G vs i7-3840QM

Place in the ranking	1479	1114
Place by popularity	not in top-100	92
Market segment	Laptop	Desktop processor
Series	Intel Core i7	AMD Ryzen 5
Power efficiency	7.82	8.47
Architecture codename	Ivy Bridge (2012−2013)	Picasso (2019−2022)
Release date	3 September 2012 (12 years ago)	7 July 2019 (5 years ago)
Launch price (MSRP)	$568	no data

Detailed specifications

Core i7-3840QM and Ryzen 5 3400G 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	2.8 GHz	3.7 GHz
Boost clock speed	3.8 GHz	4.2 GHz
Bus type	no data	PCIe 3.0
Bus rate	5 GT/s	no data
Multiplier	no data	37
L1 cache	64K (per core)	128K (per core)
L2 cache	256K (per core)	512K (per core)
L3 cache	8 MB (shared)	4 MB (shared)
Chip lithography	22 nm	12 nm
Die size	160 mm²	210 mm²
Maximum core temperature	105 °C	no data
Number of transistors	1,400 million	4,950 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-3840QM and Ryzen 5 3400G 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	1 (Uniprocessor)
Socket	FCBGA1224,FCPGA988	AM4
Power consumption (TDP)	45 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3840QM and Ryzen 5 3400G. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
My WiFi	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Demand Based Switching	-	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core i7-3840QM and Ryzen 5 3400G technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	-
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3840QM and Ryzen 5 3400G 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 i7-3840QM and Ryzen 5 3400G. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-2933
Maximum memory size	32 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	46.933 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 4000	AMD Radeon RX Vega 11
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.3 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-3840QM and Ryzen 5 3400G integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Core i7-3840QM and Ryzen 5 3400G.

PCIe version	3.0	3.0
PCI Express lanes	16	20

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.

i7-3840QM 3.72

Ryzen 5 3400G 5.82
+56.5%

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.

i7-3840QM 5911

Ryzen 5 3400G 9251
+56.5%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-3840QM 621

Ryzen 5 3400G 1134
+82.6%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-3840QM 2063

Ryzen 5 3400G 3631
+76%

Gaming performance

Pros & cons summary

Performance score	3.72	5.82
Integrated graphics card	1.18	5.47
Recency	3 September 2012	7 July 2019
Chip lithography	22 nm	12 nm
Power consumption (TDP)	45 Watt	65 Watt

i7-3840QM has 44.4% lower power consumption.

Ryzen 5 3400G, on the other hand, has a 56.5% higher aggregate performance score, 363.6% faster integrated GPU, an age advantage of 6 years, and a 83.3% more advanced lithography process.

The Ryzen 5 3400G is our recommended choice as it beats the Core i7-3840QM in performance tests.

Be aware that Core i7-3840QM is a notebook processor while Ryzen 5 3400G is a desktop one.

Should you still have questions on choice between Core i7-3840QM and Ryzen 5 3400G, ask them in Comments section, and we shall answer.