Xeon Gold 6238R vs Pentium Gold 6405U

Aggregate performance score

Pentium Gold 6405U
2019
2 cores / 4 threads, 15 Watt
1.74
Xeon Gold 6238R
2020
28 cores / 56 threads, 165 Watt
23.70
+1262%

Xeon Gold 6238R outperforms Pentium Gold 6405U by a whopping 1262% based on our aggregate benchmark results.

Primary details

Comparing Pentium Gold 6405U and Xeon Gold 6238R processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2028215
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data19.14
Market segmentLaptopServer
SeriesIntel Comet LakeIntel Xeon Gold
Power efficiency10.9313.54
Architecture codenameComet Lake-U (2019−2020)Cascade Lake (2019−2020)
Release date31 October 2019 (5 years ago)24 February 2020 (4 years ago)
Launch price (MSRP)$161$2,612

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium Gold 6405U and Xeon Gold 6238R 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)28 (Octacosa-Core)
Threads456
Base clock speed2.4 GHz2.2 GHz
Boost clock speed2.4 GHz4 GHz
Bus typeno dataDMI 3.0
Bus rate4 GT/s4 × 8 GT/s
Multiplierno data22
L1 cache256 KB1.75 MB
L2 cache1 MB28 MB
L3 cache2 MB38.5 MB
Chip lithography14 nm14 nm
Maximum core temperature100 °C89 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Pentium Gold 6405U and Xeon Gold 6238R 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
SocketFCBGA1528FCLGA3647
Power consumption (TDP)15 Watt165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Gold 6405U and Xeon Gold 6238R. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX-+
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shift++
Turbo Boost Technology-2.0
Hyper-Threading Technology++
TSX-+
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Turbo Boost Max 3.0no data-
Deep Learning Boost-+

Security technologies

Pentium Gold 6405U and Xeon Gold 6238R technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium Gold 6405U and Xeon Gold 6238R are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Gold 6405U and Xeon Gold 6238R. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-2933
Maximum memory size64 GB1 TB
Max memory channels26
Maximum memory bandwidth37.5 GB/s140.8 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® UHD Graphics for 10th Gen Intel® Processorsno data
Max video memory32 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency950 MHzno data

Graphics interfaces

Available interfaces and connections of Pentium Gold 6405U and Xeon Gold 6238R integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Pentium Gold 6405U and Xeon Gold 6238R integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Pentium Gold 6405U and Xeon Gold 6238R integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Pentium Gold 6405U and Xeon Gold 6238R.

PCIe version2.03.0
PCI Express lanes1248

Gaming performance

Pros & cons summary


Performance score 1.74 23.70
Recency 31 October 2019 24 February 2020
Physical cores 2 28
Threads 4 56
Power consumption (TDP) 15 Watt 165 Watt

Pentium Gold 6405U has 1000% lower power consumption.

Xeon Gold 6238R, on the other hand, has a 1262.1% higher aggregate performance score, an age advantage of 3 months, and 1300% more physical cores and 1300% more threads.

The Xeon Gold 6238R is our recommended choice as it beats the Pentium Gold 6405U in performance tests.

Be aware that Pentium Gold 6405U is a notebook processor while Xeon Gold 6238R is a server/workstation one.


Should you still have questions on choice between Pentium Gold 6405U and Xeon Gold 6238R, 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 Pentium Gold 6405U
Pentium Gold 6405U
Intel Xeon Gold 6238R
Xeon Gold 6238R

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.


2.8 386 votes

Rate Pentium Gold 6405U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 6 votes

Rate Xeon Gold 6238R on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Pentium Gold 6405U or Xeon Gold 6238R, agree or disagree with our judgements, or report an error or mismatch.