A6-7400K vs Ryzen 9 4900H

Place in the ranking	633	2439
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	AMD Renoir (Ryzen 4000 APU)	no data
Power efficiency	25.35	1.50
Architecture codename	Renoir-H (Zen 2) (2020)	Kaveri (2014−2015)
Release date	16 March 2020 (4 years ago)	31 July 2014 (10 years ago)

Detailed specifications

Ryzen 9 4900H and A6-7400K 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	8 (Octa-Core)	2 (Dual-core)
Threads	16	2
Base clock speed	3.3 GHz	3.5 GHz
Boost clock speed	4.4 GHz	3.9 GHz
Multiplier	33	no data
L1 cache	512 KB	128 KB
L2 cache	4 MB	1024 KB
L3 cache	8 MB	no data
Chip lithography	7 nm	28 nm
Die size	156 mm²	245 mm²
Maximum core temperature	105 °C	70 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	9800 Million	2,411 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	-	+

Compatibility

Information on Ryzen 9 4900H and A6-7400K 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
Socket	FP6	FM2+
Power consumption (TDP)	45 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 4900H and A6-7400K. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA, SHA	no data
AES-NI	+	+
FMA	+	+
AVX	+	+
FRTC	-	+
FreeSync	-	+
TrueAudio	-	+
PowerNow	-	+
PowerGating	-	+
Out-of-band client management	-	+
VirusProtect	-	+
HSA	-	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 4900H and A6-7400K are enumerated here.

AMD-V	+	+
IOMMU 2.0	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 4900H and A6-7400K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3-1866
Maximum memory size	64 GB	no data
Max memory channels	4	2
Maximum memory bandwidth	68.27 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	AMD Radeon RX Vega 8 (Ryzen 4000/5000)	AMD Radeon R5 Graphics
iGPU core count	no data	4
Number of pipelines	no data	256
Enduro	-	+
Switchable graphics	-	+
UVD	-	+
VCE	-	+

Graphics interfaces

Available interfaces and connections of Ryzen 9 4900H and A6-7400K integrated GPUs.

DisplayPort	-	+
HDMI	-	+

Graphics API support

APIs supported by Ryzen 9 4900H and A6-7400K integrated GPUs, sometimes API versions are included.

DirectX	no data	DirectX® 12
Vulkan	-	+

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 4900H and A6-7400K.

PCIe version	3.0	3.0
PCI Express lanes	no data	16

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.

Ryzen 9 4900H 12.51
+1069%

A6-7400K 1.07

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.

Ryzen 9 4900H 19150
+1074%

A6-7400K 1631

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.

Ryzen 9 4900H 1555
+284%

A6-7400K 405

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.

Ryzen 9 4900H 6739
+1106%

A6-7400K 559

Gaming performance

Pros & cons summary

Performance score	12.51	1.07
Recency	16 March 2020	31 July 2014
Physical cores	8	2
Threads	16	2
Chip lithography	7 nm	28 nm
Power consumption (TDP)	45 Watt	65 Watt

Ryzen 9 4900H has a 1069.2% higher aggregate performance score, an age advantage of 5 years, 300% more physical cores and 700% more threads, a 300% more advanced lithography process, and 44.4% lower power consumption.

The Ryzen 9 4900H is our recommended choice as it beats the A6-7400K in performance tests.

Be aware that Ryzen 9 4900H is a notebook processor while A6-7400K is a desktop one.

Should you still have questions on choice between Ryzen 9 4900H and A6-7400K, ask them in Comments section, and we shall answer.