Intel Xeon W-3275M vs AMD EPYC 7643

General info

Comparing Xeon W-3275M and EPYC 7643 processor market type (desktop or notebook), architecture and sales start time and price.

Place in our rating
 
Value for money (0-100)
0.79
 
no data
Market segment
Server
 
Server
Series
Intel Xeon W
 
no data
Architecture codename
Cascade Lake
 
Milan
Launch date
3 June 2019 (1 year ago)
 
15 March 2021 (recently)
Launch price (MSRP)
$7,453
 
no data
Price now
$8954
 
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Technical specs

Xeon W-3275M and EPYC 7643 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
 
48
Threads
56
 
96
Base clock speed
2.5 GHz
 
2.3 GHz
Boost clock speed
4.6 GHz
 
3.6 GHz
Bus support
4 × 8 GT/s
 
no data
L1 cache
1.75 MB
 
96K (per core)
L2 cache
28 MB
 
512K (per core)
L3 cache
38.5 MB
 
256 MB (shared)
Chip lithography
14 nm
 
7 nm
Maximum core temperature
76 °C
 
no data
64 bit support
+
 
-
Unlocked multiplier
-
 
+

Compatibility

Information on Xeon W-3275M and EPYC 7643 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.

Number of CPUs in a configuration
1 (Uniprocessor)
 
2
Socket
FCLGA3647
 
SP3
Thermal design power (TDP)
205 Watt
 
225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-3275M and EPYC 7643. You'll probably need this information if you require some particular technology.

Instruction set extensions
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

Security technologies

Xeon W-3275M and EPYC 7643 technologies aimed at raising security, for example, by protecting against hacks.

TXT
+
 
no data
EDB
+
 
no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-3275M and EPYC 7643 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 W-3275M and EPYC 7643.

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

Peripherals

Specifications and connection of peripherals supported by Xeon W-3275M and EPYC 7643.

PCIe revision
3.0
 
no data
Max number of PCIe lanes
64
 
no data

Benchmark performance

Various benchmark results of Xeon W-3275M and EPYC 7643. Overall score is measured in points in 0-100 range, higher is better.

Overall 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.

Xeon W-3275M 45.02
EPYC 7643 87.93 +95.3%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different tests, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario.

Xeon W-3275M 39478
EPYC 7643 77101 +95.3%

Gaming performance

Let's see how good Xeon W-3275M and EPYC 7643 are for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.

Advantages of Intel Xeon W-3275M

Higher boost clock speed (2500 vs 2300 MHz)

Lower power consumption (205 vs 225 watts)

x86-64 (a general name for 64-bit extension of x86 instruction set. There are AMD64 and Intel 64 versions that differ very little)

TXT (Trusted Execution Technology - protects the system against viruses and rootkits residing in BIOS or in a boot sector)

vPro (a marketing umbrella term for several Intel technologies: AMT, TXT, EDB, VT, Anti-Theft and some others)

TransactionalSynchronizationExtensionVersion

ECCMemory

Advantages of AMD EPYC 7643

95.3% faster (about 2 times) in synthetic tests

Much newer (15 March 2021 vs 3 June 2019)

Finer manufacturing process technology (7 vs 14 nm)

Virtualization (Hardware acceleration of virtual machines)

Unlocked

So, Xeon W-3275M or EPYC 7643?

Judging by the results of synthetic and gaming tests, Technical City recommends AMD EPYC 7643.

Should you still have questions on choice between Xeon W-3275M and EPYC 7643, ask them in Comments section, and we shall answer.

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