A4 Micro-6400T vs i7-4578U

#ad 
Buy on Amazon
VS

Aggregate performance score

Core i7-4578U
2014
2 cores / 4 threads, 28 Watt
1.98
+187%
A4 Micro-6400T
2014
4 cores / 4 threads, 4 Watt
0.69

Core i7-4578U outperforms A4 Micro-6400T by a whopping 187% based on our aggregate benchmark results.

Primary details

Comparing Core i7-4578U and A4 Micro-6400T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking19422721
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7AMD A-Series
Power efficiency6.5714.24
Architecture codenameHaswell (2013−2015)Mullins (2014)
Release date21 July 2014 (10 years ago)29 April 2014 (10 years ago)
Launch price (MSRP)$426no data

Detailed specifications

Core i7-4578U and A4 Micro-6400T 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 cores2 (Dual-core)4 (Quad-Core)
Threads44
Base clock speed3 GHz1 GHz
Boost clock speed3.5 GHz1.6 GHz
Bus rate5 GT/sno data
L1 cache128 KBno data
L2 cache512 KB2048 KB
L3 cache4 MBno data
Chip lithography22 nm28 nm
Die size181 mm2no data
Maximum core temperature100 °Cno data
Number of transistors1300 Millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-4578U and A4 Micro-6400T 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 configuration1no data
SocketFCBGA1168FT3b
Power consumption (TDP)28 Watt4.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4578U and A4 Micro-6400T. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX286x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX
AES-NI++
FMA-FMA4
AVX++
PowerNow-+
PowerGating-+
VirusProtect-+
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
FDI+no data

Security technologies

Core i7-4578U and A4 Micro-6400T technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4578U and A4 Micro-6400T are enumerated here.

AMD-V++
VT-d+no data
VT-x+no data
EPT+no data
IOMMU 2.0-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4578U and A4 Micro-6400T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3-1333
Maximum memory size16 GBno data
Max memory channels21
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel Iris Graphics 5100AMD Radeon R3 Graphics
Max video memory2 GBno data
Quick Sync Video+-
Clear Video HD+no data
Enduro-+
Switchable graphics-+
UVD-+
VCE-+
Graphics max frequency1.2 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-4578U and A4 Micro-6400T integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort++
HDMI++
VGA+no data

Graphics image quality

Maximum display resolutions supported by Core i7-4578U and A4 Micro-6400T integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.43200x2000@60Hzno data
Max resolution over DisplayPort3200x2000@60Hzno data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i7-4578U and A4 Micro-6400T integrated GPUs, sometimes API versions are included.

DirectX11.2/12DirectX® 12
OpenGL4.3no data
Vulkan-+

Peripherals

Specifications and connection of peripherals supported by Core i7-4578U and A4 Micro-6400T.

PCIe version22.0
PCI Express lanes12no 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.

i7-4578U 1.98
+187%
A4 Micro-6400T 0.69

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.

i7-4578U 3094
+186%
A4 Micro-6400T 1082

Gaming performance

Pros & cons summary


Performance score 1.98 0.69
Recency 21 July 2014 29 April 2014
Physical cores 2 4
Chip lithography 22 nm 28 nm
Power consumption (TDP) 28 Watt 4 Watt

i7-4578U has a 187% higher aggregate performance score, an age advantage of 2 months, and a 27.3% more advanced lithography process.

A4 Micro-6400T, on the other hand, has 100% more physical cores, and 600% lower power consumption.

The Core i7-4578U is our recommended choice as it beats the A4 Micro-6400T in performance tests.


Should you still have questions on choice between Core i7-4578U and A4 Micro-6400T, 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.


Intel Core i7-4578U
Core i7-4578U
AMD A4 Micro-6400T
A4 Micro-6400T

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.5 15 votes

Rate Core i7-4578U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
5 1 vote

Rate A4 Micro-6400T on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-4578U or A4 Micro-6400T, agree or disagree with our judgements, or report an error or mismatch.