Ryzen 7 PRO 8840U vs Ryzen 5 1400

Primary details

Comparing Ryzen 5 1400 and Ryzen 7 PRO 8840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1202	432
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.20	no data
Market segment	Desktop processor	Server
Series	AMD Ryzen 5	no data
Architecture codename	Zen (2017−2020)	Hawk Point (2024)
Release date	16 March 2017 (7 years ago)	16 April 2024 (less than a year ago)
Launch price (MSRP)	$169	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 5 1400 and Ryzen 7 PRO 8840U 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)	8 (Octa-Core)
Threads	8	16
Base clock speed	3.2 GHz	3.3 GHz
Boost clock speed	3.2 GHz	5.1 GHz
Bus rate	4 × 8 GT/s	no data
Multiplier	32	no data
L1 cache	384 KB	64 KB (per core)
L2 cache	2 MB	1 MB (per core)
L3 cache	8 MB	16 MB (shared)
Chip lithography	14 nm	4 nm
Die size	213 mm2	178 mm2
Number of transistors	4800 Million	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 5 1400 and Ryzen 7 PRO 8840U 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	Socket AM4	FP7
Power consumption (TDP)	65 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 5 1400 and Ryzen 7 PRO 8840U. You'll probably need this information if you require some particular technology.

Instruction set extensions	XFR, FMA3, SSE 4.2, AVX2, SMT	no data
AES-NI	+	+
AVX	+	+
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 5 1400 and Ryzen 7 PRO 8840U are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 5 1400 and Ryzen 7 PRO 8840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

-

AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Ryzen 5 1400 and Ryzen 7 PRO 8840U.

PCIe version	3.0	4.0
PCI Express lanes	20	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.

Pros & cons summary

---

Performance score	5.01	15.79
Recency	16 March 2017	16 April 2024
Physical cores	4	8
Threads	8	16
Chip lithography	14 nm	4 nm
Power consumption (TDP)	65 Watt	28 Watt

---

Should you still have questions on choice between Ryzen 5 1400 and Ryzen 7 PRO 8840U, 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.

---