Xeon E3-1285 v4 vs i9-9900K

VS

Aggregate performance score

Core i9-9900K
2018
8 cores / 16 threads, 95 Watt
11.49
+134%
Xeon E3-1285 v4
2015
4 cores / 8 threads, 95 Watt
4.92

Core i9-9900K outperforms Xeon E3-1285 v4 by a whopping 134% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900K and Xeon E3-1285 v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking6761231
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation7.62no data
Market segmentDesktop processorServer
SeriesCore i9 (Desktop)no data
Power efficiency11.454.90
Architecture codenameCoffee Lake-R (2018−2019)Broadwell-DT (2015)
Release date19 October 2018 (6 years ago)2 June 2015 (9 years ago)
Launch price (MSRP)$488no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-9900K and Xeon E3-1285 v4 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 cores8 (Octa-Core)4 (Quad-Core)
Threads168
Base clock speed3.6 GHz3.5 GHz
Boost clock speed5 GHz3.8 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s5 GT/s
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)256 KB (per core)
L3 cache16 MB (shared)6 MB (shared)
Chip lithography14 nm14 nm
Die size178 mm2160 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data1,400 million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+-

Compatibility

Information on Core i9-9900K and Xeon E3-1285 v4 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 configuration1 (Uniprocessor)1
SocketLGA-1151FCLGA1150
Power consumption (TDP)95 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900K and Xeon E3-1285 v4. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
eDRAMno data128 MB
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States++
Thermal Monitoring+-
SIPP+-
FDIno data+

Security technologies

Core i9-9900K and Xeon E3-1285 v4 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900K and Xeon E3-1285 v4 are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900K and Xeon E3-1285 v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size128 GB32 GB
Max memory channels22
Maximum memory bandwidth44.668 GB/s29.8 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630Intel Iris Pro P6300
Max video memory64 GB32 GB
Quick Sync Video++
Clear Video++
Clear Video HD+no data
Graphics max frequency1.2 GHz1.15 GHz
Execution Unitsno data48
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i9-9900K and Xeon E3-1285 v4 integrated GPUs.

Number of displays supported33

Graphics image quality

Maximum display resolutions supported by Core i9-9900K and Xeon E3-1285 v4 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096 x 2304@24Hzno data
Max resolution over eDP4096 x 2304@60Hzno data
Max resolution over DisplayPort4096 x 2304@60Hzno data

Graphics API support

APIs supported by Core i9-9900K and Xeon E3-1285 v4 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i9-9900K and Xeon E3-1285 v4.

PCIe version3.03.0
PCI Express lanes1616

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.

i9-9900K 11.49
+134%
Xeon E3-1285 v4 4.92

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.

i9-9900K 18259
+134%
Xeon E3-1285 v4 7808

Gaming performance

Pros & cons summary


Performance score 11.49 4.92
Recency 19 October 2018 2 June 2015
Physical cores 8 4
Threads 16 8

i9-9900K has a 133.5% higher aggregate performance score, an age advantage of 3 years, and 100% more physical cores and 100% more threads.

The Core i9-9900K is our recommended choice as it beats the Xeon E3-1285 v4 in performance tests.

Note that Core i9-9900K is a desktop processor while Xeon E3-1285 v4 is a server/workstation one.


Should you still have questions on choice between Core i9-9900K and Xeon E3-1285 v4, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i9-9900K
Core i9-9900K
Intel Xeon E3-1285 v4
Xeon E3-1285 v4

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Community ratings

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