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EPYC 7643 vs EPYC 7643P

CPUCPUGPUGPU
AMD

EPYC 7643

48 Cores96 Thrd225 WWMax: 3.6 GHz2021
EPYC family
·······
Buy on Amazon
VS
AMD

EPYC 7643P

48 Cores96 Thrd225 WWMax: 3.6 GHz2023
EPYC family
·······
Buy on Amazon

EPYC 7643 vs EPYC 7643P Performance Spectrum

EPYC 7643
48 / 96
76,050
0.0%
brand logoRyzen 7 8840HX
brand logoRyzen 9 7900X3D
brand logoRyzen 9 7945HX3D
brand logoRyzen Threadripper PRO 9955WX
brand logoRyzen Threadripper 9960X
brand logoRyzen Threadripper 7970X
brand logoRyzen Threadripper PRO 7985WX
brand logoRyzen Threadripper 7980X
EPYC 7643P
48 / 96
77,307
+1.7%
brand logoRyzen AI Max PRO 390
brand logoRyzen 9 9850HX
brand logoRyzen Threadripper PRO 7955WX
brand logoRyzen Threadripper PRO 9955WX
brand logoRyzen Threadripper 9960X
brand logoRyzen Threadripper 7970X
brand logoRyzen Threadripper PRO 7985WX
brand logoRyzen Threadripper 7980X

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

EPYC 7643 vs EPYC 7643P FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Path of Exile 2

1080P
EPYC 7643
low195 FPS
medium159 FPS
high129 FPS
ultra100 FPS
1080P
EPYC 7643P
low195 FPS
medium159 FPS
high129 FPS
ultra100 FPS
Counter-Strike 2

Counter-Strike 2

1080P
EPYC 7643
low418 FPS
medium367 FPS
high299 FPS
ultra234 FPS
1080P
EPYC 7643P
low418 FPS
medium367 FPS
high299 FPS
ultra234 FPS
League of Legends

League of Legends

1080P
EPYC 7643
low837 FPS
medium698 FPS
high650 FPS
ultra574 FPS
1080P
EPYC 7643P
low837 FPS
medium698 FPS
high650 FPS
ultra574 FPS
Valorant

Valorant

1080P
EPYC 7643
low977 FPS
medium887 FPS
high764 FPS
ultra660 FPS
1080P
EPYC 7643P
low979 FPS
medium888 FPS
high765 FPS
ultra661 FPS
Among Us

Among Us

1080P
EPYC 7643
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
1080P
EPYC 7643P
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
Apex Legends

Apex Legends

1080P
EPYC 7643
low300 FPS
medium300 FPS
high300 FPS
ultra300 FPS
1080P
EPYC 7643P
low300 FPS
medium300 FPS
high300 FPS
ultra300 FPS
ARC Raiders

ARC Raiders

1080P
EPYC 7643
low300 FPS
medium229 FPS
high207 FPS
ultra186 FPS
1080P
EPYC 7643P
low300 FPS
medium229 FPS
high207 FPS
ultra186 FPS
Baldur's Gate 3

Baldur's Gate 3

1080P
EPYC 7643
low249 FPS
medium221 FPS
high174 FPS
ultra138 FPS
1080P
EPYC 7643P
low250 FPS
medium221 FPS
high175 FPS
ultra139 FPS
Call of Duty: Black Ops 6

Call of Duty: Black Ops 6

1080P
EPYC 7643
low308 FPS
medium278 FPS
high258 FPS
ultra212 FPS
1080P
EPYC 7643P
low308 FPS
medium278 FPS
high258 FPS
ultra212 FPS
Call of Duty: Warzone

Call of Duty: Warzone

1080P
EPYC 7643
low234 FPS
medium206 FPS
high173 FPS
ultra161 FPS
1080P
EPYC 7643P
low234 FPS
medium206 FPS
high173 FPS
ultra161 FPS
Check FPS with Custom Builds

EPYC 7643 vs EPYC 7643P: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

EPYC 7643

2021

Why buy it

    Trade-offs

    • ❌Lower PassMark (76,050 vs 77,307).
    • ❌Lower PassMark per dollar, at 15.2 vs 28.4 PassMark/$ ($4,995 MSRP vs $2,722 MSRP).

    EPYC 7643P

    2023

    Why buy it

    • ✅+1.7% higher PassMark.
    • ✅Costs $2,273 less on MSRP ($2,722 MSRP vs $4,995 MSRP).
    • ✅Delivers 86.5% more PassMark for each dollar spent, at 28.4 vs 15.2 PassMark/$ ($2,722 MSRP vs $4,995 MSRP).

    Trade-offs

    • ❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

    Quick Answers

    So, is EPYC 7643P better than EPYC 7643?
    Yes. EPYC 7643P is the better all-around CPU here. It gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data, 1.7% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
    Which one is better for gaming?
    For gaming, this matchup is basically a tie in the data we have.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, EPYC 7643P is the stronger fit. You are getting 1.7% better PassMark, backed by 48 cores and 96 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    EPYC 7643P is the better buy right now. EPYC 7643P comes in $2,273 cheaper on MSRP at $2,722 MSRP versus $4,995 MSRP, and it still gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data. It is also 86.5% better value on MSRP (28.4 vs 15.2 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
    Which one is more future-proof for 2026 and beyond?
    EPYC 7643P makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021) and more multi-core headroom with 48 cores / 96 threads instead of 48/96. That extra cache should keep paying off in CPU-limited games and high-refresh builds.

    EPYC 7643 vs EPYC 7643P Technical Specifications

    Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

    AMD

    EPYC 7643

    The EPYC 7643 is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 48 cores and 96 threads. Base frequency is 2.3 GHz, with boost up to 3.6 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4-3200. Passmark benchmark score: 76,050 points. Launch price was $4,995.

    AMD

    EPYC 7643P

    The EPYC 7643P is manufactured by AMD. It was released in 5 September 2023 (2 years ago). It is based on the Milan (2021−2023) architecture. It features 48 cores and 96 threads. Base frequency is 2.3 GHz, with boost up to 3.6 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4. Passmark benchmark score: 77,307 points. Launch price was $2,722.

    ⚡

    Processing Power

    Both the EPYC 7643 and EPYC 7643P share an identical 48-core/96-thread configuration. Boost clocks reach 3.6 GHz on the EPYC 7643 versus 3.6 GHz on the EPYC 7643P — identical boost frequencies (base: 2.3 GHz vs 2.3 GHz). Both are built on the Milan (2021−2023) architecture using a 7 nm+ process. In PassMark, the EPYC 7643 scores 76,050 against the EPYC 7643P's 77,307 — a 1.6% lead for the EPYC 7643P. Both processors carry 256 MB (total) of L3 cache.

    FeatureEPYC 7643EPYC 7643P
    Cores / Threads
    48 / 96
    48 / 96
    Boost Clock
    3.6 GHz
    3.6 GHz
    Base Clock
    2.3 GHz
    2.3 GHz
    L3 Cache
    256 MB (total)
    256 MB (total)
    L2 Cache
    512 kB (per core)
    512 kB (per core)
    Process
    7 nm+
    7 nm
    Architecture
    Milan (2021−2023)
    Milan (2021−2023)
    PassMark
    76,050
    77,307+2%
    Geekbench 6 Single
    1,671
    —
    Geekbench 6 Multi
    15,000
    —
    🧠

    Memory & Platform

    Both processors use the SP3 socket with PCIe 4.0. Both support up to DDR4-3200 memory speed. The EPYC 7643P supports up to 4096 TB of RAM compared to 4 TB — 102300% more capacity for professional workloads. Both feature 8-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7643) and SP3 (EPYC 7643P).

    FeatureEPYC 7643EPYC 7643P
    Socket
    SP3
    SP3
    PCIe Generation
    PCIe 4.0
    PCIe 4.0
    Max RAM Speed
    DDR4-3200
    3200
    Max RAM Capacity
    4 TB
    4096 TB+102300%
    RAM Channels
    8
    8
    ECC Support
    Yes
    Yes
    PCIe Lanes
    128
    128
    🔧

    Advanced Features

    Neither processor supports overclocking. Virtualization support: AMD-V (EPYC 7643) vs VT-x, VT-d, SEV (EPYC 7643P). Primary use case: EPYC 7643 targets Server. Direct competitor: EPYC 7643 rivals EPYC 7443P; EPYC 7643P rivals Xeon Platinum 8380.

    FeatureEPYC 7643EPYC 7643P
    Integrated GPU
    No
    No
    IGPU Model
    None
    None
    Unlocked
    No
    No
    AVX-512
    No
    No
    Virtualization
    AMD-V
    VT-x, VT-d, SEV
    Target Use
    Server
    —
    💰

    Value Analysis

    At launch, the EPYC 7643 was priced at $4995, while the EPYC 7643P came in at $2722. On launch pricing ($4995 vs $2722), EPYC 7643P was $2273 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7643 delivers 15.2 pts/$ vs 28.4 pts/$ for the EPYC 7643P — making the EPYC 7643P the 60.4% better value option.

    FeatureEPYC 7643EPYC 7643P
    MSRP
    $4995
    $2722-46%
    Performance per Dollar
    15.2
    28.4+87%
    Release Date
    2021
    2023
    Search EPYC 7643 on AmazonSearch EPYC 7643P on Amazon

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