Ryzen Threadripper PRO 3945WX vs Xeon Platinum 8276L

Primary details

Comparing Xeon Platinum 8276L and Ryzen Threadripper PRO 3945WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	257
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon Platinum	AMD Ryzen Threadripper
Power efficiency	no data	7.14
Architecture codename	Cascade Lake (2019−2020)	Matisse (2019−2020)
Release date	2 April 2019 (5 years ago)	14 July 2020 (4 years ago)
Launch price (MSRP)	$16,616	no data

Detailed specifications

Xeon Platinum 8276L and Ryzen Threadripper PRO 3945WX 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	28 (Octacosa-Core)	12 (Dodeca-Core)
Threads	56	24
Base clock speed	2.2 GHz	4 GHz
Boost clock speed	4 GHz	4.3 GHz
Multiplier	22	40
L1 cache	1.75 MB	64K (per core)
L2 cache	28 MB	512K (per core)
L3 cache	38.5 MB	64 MB
Chip lithography	14 nm	7 nm, 12 nm
Die size	no data	74 mm2
Maximum core temperature	89 °C	no data
Maximum case temperature (TCase)	no data	95 °C
Number of transistors	no data	3,800 million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon Platinum 8276L and Ryzen Threadripper PRO 3945WX 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	8 (Multiprocessor)	1
Socket	FCLGA3647	TR4
Power consumption (TDP)	165 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8276L and Ryzen Threadripper PRO 3945WX. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	+	-

Security technologies

Xeon Platinum 8276L and Ryzen Threadripper PRO 3945WX technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8276L and Ryzen Threadripper PRO 3945WX are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8276L and Ryzen Threadripper PRO 3945WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4-3200
Maximum memory size	4.5 TB	2 TiB
Max memory channels	6	no data
Maximum memory bandwidth	140.8 GB/s	204.8 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8276L and Ryzen Threadripper PRO 3945WX.

PCIe version	3.0	4.0
PCI Express lanes	48	128

Pros & cons summary

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Recency	2 April 2019	14 July 2020
Physical cores	28	12
Threads	56	24
Chip lithography	14 nm	7 nm
Power consumption (TDP)	165 Watt	280 Watt

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