EPYC 7742

Details and Benchmarks for AMD EPYC 7742

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for EPYC 7742 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

6,147 Rank: 198
Rank Name Score Visual
194 Ryzen 7 5800 6,159
+0.2%
195 Xeon W-3245 6,155
+0.1%
196 Ryzen 7 8840HS 6,152
+0.1%
197 Ryzen 7 8840U 6,148
+0%
198 EPYC 7742 6,147
199 AMD Ryzen 7 1700X 6,147
+0%
200 Xeon Gold 5418Y 6,142
-0.1%
201 Core i9-9900K 6,136
-0.2%
202 Core i7-12700H 6,135
-0.2%
203 Ryzen 9 PRO 6950HS 6,134
-0.2%

View full ranking →

Multicore Score

Multicore performance score for EPYC 7742 based on multi-threaded benchmark results.

7,153 Rank: 87
Rank Name Score Visual
83 Ryzen AI Max 390 7,200
+0.7%
84 Xeon Platinum 8351N 7,195
+0.6%
85 Ryzen 7 9800X3D 7,178
+0.3%
86 Core i9-12900KS 7,162
+0.1%
87 EPYC 7742 7,153
88 Ryzen 9 7945HX 7,146
-0.1%
89 Ryzen 9 7900 7,139
-0.2%
90 Xeon w5-3435X 7,125
-0.4%
91 Ryzen 7 9700X 7,105
-0.7%
92 Core i9-14900HX 7,103
-0.7%

View full ranking →

Singlecore Score

Single-core performance score for EPYC 7742 based on single-threaded benchmark results.

5,476 Rank: 569
Rank Name Score Visual
565 EPYC 7401 5,480
+0.1%
566 Core i7-7700HQ 5,479
+0.1%
567 Core i5-4670K 5,479
+0.1%
568 Xeon E5-2637 v4 5,478
+0%
569 EPYC 7742 5,476
570 Ryzen 7 1700 5,475
+-0%
571 Core i7-9850H 5,473
-0.1%
572 Core i5-9400 5,473
-0.1%
573 Core i5-4690 5,473
-0.1%
574 Xeon E3-1220 v5 5,472
-0.1%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for EPYC 7742 based on integer math, floating point math, and prime number computation benchmarks.

8,590 Rank: 16
Rank Name Score Visual
12 Ryzen Threadripper 7970X 8,982
+4.6%
13 Ryzen Threadripper PRO 7975WX 8,929
+3.9%
14 EPYC 7H12 8,925
+3.9%
15 Ryzen Threadripper PRO 9965WX 8,922
+3.9%
16 EPYC 7742 8,590
17 Ryzen Threadripper 7960X 8,507
-1%
18 Ryzen Threadripper PRO 7965WX 8,403
-2.2%
19 EPYC 7702 8,400
-2.2%
20 EPYC 7702P 8,185
-4.7%
21 Ryzen Threadripper PRO 5975WX 8,051
-6.3%

View full ranking →

Data Processing

Aggregated score for EPYC 7742 based on data encryption, data compression, and string sorting benchmarks.

9,708 Rank: 10
Rank Name Score Visual
6 Ryzen Threadripper PRO 5995WX 10,666
+9.9%
7 Ryzen Threadripper 3990X 10,660
+9.8%
8 Ryzen Threadripper PRO 3995WX 10,408
+7.2%
9 EPYC 7H12 10,135
+4.4%
10 EPYC 7742 9,708
11 Ryzen Threadripper 9970X 9,689
-0.2%
12 Ryzen Threadripper 7970X 9,603
-1.1%
13 Ryzen Threadripper PRO 9975WX 9,578
-1.3%
14 Ryzen Threadripper PRO 7975WX 9,384
-3.3%
15 EPYC 7702 9,259
-4.6%

View full ranking →

Physics & Compute

Aggregated score for EPYC 7742 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

8,136 Rank: 18
Rank Name Score Visual
14 Ryzen Threadripper PRO 7965WX 8,391
+3.1%
15 Ryzen Threadripper PRO 3995WX 8,368
+2.9%
16 Xeon w9-3475X 8,359
+2.7%
17 Ryzen Threadripper 7960X 8,356
+2.7%
18 EPYC 7742 8,136
19 EPYC 7702 8,012
-1.5%
20 Ryzen Threadripper 3990X 7,893
-3%
21 Ryzen 9 9950X3D 7,786
-4.3%
22 EPYC 7552 7,758
-4.6%
23 Xeon Gold 6438Y+ 7,660
-5.9%

View full ranking →

EPYC 7742 Details

As of March 2026, the AMD EPYC 7742 remains a formidable server processor, showcasing the power of AMD's Zen 2 architecture in high-performance computing environments. Though released in August 2019, its 64-core, 128-thread design still holds its ground in multi-threaded workloads, particularly in data centers and enterprise environments where raw throughput is critical. With a base clock of 2.25 GHz and a turbo boost up to 3.4 GHz, the processor leverages Simultaneous Multithreading (SMT) to deliver exceptional parallel processing capabilities, making it ideal for virtualization, scientific simulations, and large-scale database operations.

The EPYC 7742 is built on a 7 nm process by TSMC and integrates 3.8 billion transistors into a 192 mm² die, using a multi-chip module design with nine dies to achieve its massive core count. It supports up to 4,096 GB of DDR4-3200 memory across eight channels, delivering a maximum memory bandwidth of 190.7 GB/s. This extensive memory subsystem, combined with 256 MB of L3 cache and 32 MB of L2 cache, ensures low-latency access to data for memory-intensive applications. The processor operates at a 225 W TDP, necessitating robust cooling solutions in server racks.

Despite lacking integrated graphics, the EPYC 7742 excels in server-grade features, including support for ECC memory, AMD-V virtualization, and advanced security technologies like Secure Memory Encryption (SME) and Secure Encrypted Virtualization (SEV). It also supports AVX2 and AES-NI instructions, enhancing performance in encryption and media processing tasks. The processor connects via PCIe 4.0 with up to 128 lanes, enabling high-speed storage and expansion capabilities.

Benchmark results reflect its strengths: the EPYC 7742 achieves an Overall Score of 6,147, ranking #198 among 2,060 processors, with a Multicore Score of 7,153 (#87) and a Singlecore Score of 5,476 (#569). While its single-core performance is solid, its true power lies in its ability to scale across dozens of threads, outperforming many consumer-grade CPUs in multi-threaded tasks. In the Passmark Data Processing test, it scores 9,708 (#10), highlighting its efficiency in parallel workloads. However, it falls behind newer Ryzen and Core Ultra chips in single-threaded performance, a limitation inherent to its older architecture.

In conclusion, the EPYC 7742 is best suited for server and workstation environments where scalability, memory bandwidth, and multi-threaded performance are paramount. While it is no longer at the forefront of consumer technology, its enduring capabilities make it a reliable choice for legacy systems and cost-effective high-density computing clusters.
Frequently Compared

AMD Ryzen 9 PRO 3900 5 views

AMD Ryzen 5 PRO 3500U 5 views

AMD Ryzen 3 PRO 2200GE 4 views

AMD Ryzen Threadripper 3970X 1 view

AMD EPYC 7742

Main Specifications

Designer: AMD
Name: EPYC 7742
Family: EPYC
Series: 7002
Model Number: 7742
Cores: 64
Threads: 128
Base Frequency: 2250 MHz
Clock Multiplier: 22x (locked)
Microarchitecture: Zen 2
Core Name: Rome
Core Family: 23
Socket: Socket SP3 and LGA-4094
Package: FCLGA-4094
Target Segment: Server
Max CPUs: 2
TDP: 225 W
Release Price: $6,950.00

Cache Specifications

L1 Cache: 4096 KiB
L1 Instruction Cache: 2048 KiB (8-way set associative)
L1 Data Cache: 2048 KiB (8-way set associative)
L2 Cache: 32 MiB (8-way set associative)
L3 Cache: 256 MiB

Memory Specifications

Supported Memory Type: DDR4-3200
Memory Channels: 8
Maximum Memory: 4,096 GB
Maximum Bandwidth: 190.7 GB/s
ECC Support: Yes

PCI-Express Specifications

PCIe Revision: 4.0
PCIe Lanes: 128
PCIe Configuration: x16, x8

Physical Specifications

Process: 7 nm
Die Area: 192 mm²
Manufacturer: TSMC and GlobalFoundries
Technology: CMOS
Word Size: 64-bit
ISA: x86-64 (x86)

CPU Features

MMX EMMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 ABM BMI1 BMI2 FMA3 AES RdRand ADX CLMUL F16C x86-16 x86-32 x86-64 Real Protected SMM FPU NX HT TBT 2.0 EIST SST TXT vPro VT-x VT-d EPT SSE4a SHA AMD-Vi AMD-V TSME SenseMI Boost 2 AVX-512 AVX512F AVX512CD AVX512BW AVX512DQ AVX512VL TSX VMD SMT NM KPT PTT MBE Ctrl DL Boost AVX512_VNNI SME SEV Run Sure Node Ctrlr
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