Pentium Gold G6405 vs Pentium Silver J5040

Primary details

Comparing Pentium Silver J5040 and Pentium Gold G6405 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1757	1591
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.42	25.64
Market segment	Desktop processor	Desktop processor
Architecture codename	Gemini Lake Refresh (2019)	Comet Lake-R (2021)
Release date	4 November 2019 (4 years ago)	16 March 2021 (3 years ago)
Current price	$649	$88

Cost-effectiveness evaluation

Performance per price, higher is better.

Pentium Gold G6405 has 1706% better value for money than Pentium Silver J5040.

Detailed specifications

Pentium Silver J5040 and Pentium Gold G6405 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	4
Base clock speed	2 GHz	4.1 GHz
Boost clock speed	3.2 GHz	4.1 GHz
L1 cache	no data	64K (per core)
L2 cache	4 MB	256K (per core)
L3 cache	4 MB	4 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	105 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on Pentium Silver J5040 and Pentium Gold G6405 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	FCBGA1090	FCLGA1200
Power consumption (TDP)	10 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Silver J5040 and Pentium Gold G6405. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	-	no data
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	+
TSX	no data	-
Idle States	+	+
Thermal Monitoring	+	+
SIPP	no data	-
Smart Response	-	no data
GPIO	+	no data
Turbo Boost Max 3.0	-	-
Status	Discontinued	Launched

Security technologies

Pentium Silver J5040 and Pentium Gold G6405 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	+
Secure Key	+	+
MPX	+	no data
Identity Protection	+	+
SGX	Yes with Intel® ME	Yes with Intel® ME
OS Guard	+	+
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium Silver J5040 and Pentium Gold G6405 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Silver J5040 and Pentium Gold G6405. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-2666
Maximum memory size	8 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	no data	41.6 GB/s
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics 605	Intel UHD Graphics 610
Max video memory	8 GB	64 GB
Quick Sync Video	+	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	800 MHz	1.05 GHz
Execution Units	18	no data
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Pentium Silver J5040 and Pentium Gold G6405 integrated GPUs.

Number of displays supported	3	3
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
MIPI-DSI	+	no data

Graphics image quality

Maximum display resolutions supported by Pentium Silver J5040 and Pentium Gold G6405 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096x2160@30Hz	4096x2160@30Hz
Max resolution over eDP	4096x2160@60Hz	4096x2304@60Hz
Max resolution over DisplayPort	4096x2160@60Hz	4096x2304@60Hz

Graphics API support

APIs supported by Pentium Silver J5040 and Pentium Gold G6405 integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.4	4.5

Peripherals

Specifications and connection of peripherals supported by Pentium Silver J5040 and Pentium Gold G6405.

PCIe version	2.0	3.0
PCI Express lanes	6	16
USB revision	2.0/3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Number of USB ports	8	no data
Integrated LAN	-	no data
UART	+	no 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.

Pentium Gold G6405 outperforms Pentium Silver J5040 by 29% based on our aggregated benchmark results.

---

Pros & cons summary

---

Performance score	2.14	2.75
Integrated graphics card	1.17	1.34
Recency	4 November 2019	16 March 2021
Physical cores	4	2
Power consumption (TDP)	10 Watt	15 Watt

---

Should you still have questions on choice between Pentium Silver J5040 and Pentium Gold G6405, 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.

---