i9-9900KS vs Athlon II X4 635

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Aggregate performance score

Athlon II X4 635
2010
4 cores / 4 threads, 95 Watt
1.46
Core i9-9900KS
2019
8 cores / 16 threads, 127 Watt
12.72
+771%

Core i9-9900KS outperforms Athlon II X4 635 by a whopping 771% based on our aggregate benchmark results.

Primary details

Comparing Athlon II X4 635 and Core i9-9900KS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2200617
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.869.99
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i9
Power efficiency1.409.13
Architecture codenamePropus (2009−2011)Coffee Lake-R (2018−2019)
Release date25 January 2010 (14 years ago)26 May 2019 (5 years ago)
Launch price (MSRP)$70$513

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-9900KS has 249% better value for money than Athlon II X4 635.

Detailed specifications

Athlon II X4 635 and Core i9-9900KS 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 cores4 (Quad-Core)8 (Octa-Core)
Threads416
Base clock speed2.9 GHz4 GHz
Boost clock speed2.9 GHz5 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data40
L1 cache128 KB (per core)512 KB
L2 cache512 KB (per core)2 MB
L3 cache0 KB16 MB (shared)
Chip lithography45 nm14 nm
Die size169 mm2180 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors300 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Athlon II X4 635 and Core i9-9900KS 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 configuration11 (Uniprocessor)
SocketAM3FCLGA1151
Power consumption (TDP)95 Watt127 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X4 635 and Core i9-9900KS. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
SIPP-+

Security technologies

Athlon II X4 635 and Core i9-9900KS technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 635 and Core i9-9900KS are enumerated here.

AMD-V-+
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 635 and Core i9-9900KS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.2 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Athlon II X4 635 and Core i9-9900KS integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Athlon II X4 635 and Core i9-9900KS integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2304@24Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz

Graphics API support

APIs supported by Athlon II X4 635 and Core i9-9900KS integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Athlon II X4 635 and Core i9-9900KS.

PCIe version2.03.0
PCI Express lanesno data16

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.

Athlon II X4 635 1.46
i9-9900KS 12.72
+771%

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.

Athlon II X4 635 2237
i9-9900KS 19473
+770%

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.

Athlon II X4 635 296
i9-9900KS 1814
+513%

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.

Athlon II X4 635 863
i9-9900KS 8642
+901%

Gaming performance

Pros & cons summary


Performance score 1.46 12.72
Recency 25 January 2010 26 May 2019
Physical cores 4 8
Threads 4 16
Chip lithography 45 nm 14 nm
Power consumption (TDP) 95 Watt 127 Watt

Athlon II X4 635 has 33.7% lower power consumption.

i9-9900KS, on the other hand, has a 771.2% higher aggregate performance score, an age advantage of 9 years, 100% more physical cores and 300% more threads, and a 221.4% more advanced lithography process.

The Core i9-9900KS is our recommended choice as it beats the Athlon II X4 635 in performance tests.


Should you still have questions on choice between Athlon II X4 635 and Core i9-9900KS, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD Athlon II X4 635
Athlon II X4 635
Intel Core i9-9900KS
Core i9-9900KS

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Community ratings

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Questions & comments

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