r7a.4xlarge by Amazon Web Services

r7a.4xlarge is a Memory optimized [AMD processors] Gen7 4xlarge server offered by Amazon Web Services with 16 vCPUs, 128 GiB of memory and 0 GB of storage. The pricing starts at 0.1256 USD per hour.
16 vCPU
128 GiB Memory
Spare SCore
49,195
(All-cores)
3,072
(Single-core)

Specifications

Server Metadata

Vendor ID
aws
Name
r7a.4xlarge
Description
Memory optimized [AMD processors] Gen7 4xlarge
Family
r7a
Hw Virt
Status
active
Observed At
2026-11-05T08:02:26.635968

Availability

REGION / IDSPOTONDEMAND
Northern Virgina (US) / us-east-1
0.3487 USD/h 1.2172 USD/h
Ohio (US) / us-east-2
0.308633 USD/h 1.2172 USD/h
Oregon (US) / us-west-2
0.408325 USD/h 1.2172 USD/h
Hyderabad (IN) / ap-south-2
0.1256 USD/h 1.2558 USD/h
Stockholm (SE) / eu-north-1
0.1731 USD/h 1.2944 USD/h
Aragón (ES) / eu-south-2
0.1362 USD/h 1.3621 USD/h
Dublin (IE) / eu-west-1
0.7194 USD/h 1.3621 USD/h
Tokyo (JP) / ap-northeast-1
0.4793 USD/h 1.4683 USD/h
Frankfurt (DE) / eu-central-1
0.5084 USD/h 1.4683 USD/h

Processor

vCPUs
16
Hypervisor
nitro
CPU Allocation
Dedicated
CPU Cores
16
CPU Speed
3.7 GHz
CPU Architecture
x86_64
CPU Manufacturer
AMD
CPU Family
EPYC
CPU Model
9R14
CPU L1D Cache
32 KiB
CPU L1D Cache Total
512 KiB
CPU L1I Cache
32 KiB
CPU L1I Cache Total
512 KiB
CPU L2 Cache
1 MiB
CPU L2 Cache Total
16 MiB
CPU L3 Cache
32 MiB
CPU L3 Cache Total
64 MiB
CPU Flags
fpu, vme, de, pse, tsc, msr, pae, mce, cx8, apic, sep, mtrr, pge, mca, cmov, pat, pse36, clflush, mmx, fxsr, sse, sse2, ht, syscall, nx, mmxext, fxsr_opt, pdpe1gb, rdtscp, lm, constant_tsc, rep_good, nopl, nonstop_tsc, cpuid, extd_apicid, aperfmperf, tsc_known_freq, pni, pclmulqdq, monitor, ssse3, fma, cx16, pcid, sse4_1, sse4_2, x2apic, movbe, popcnt, aes, xsave, avx, f16c, rdrand, hypervisor, lahf_lm, cmp_legacy, cr8_legacy, abm, sse4a, misalignsse, 3dnowprefetch, topoext, perfctr_core, ssbd, perfmon_v2, ibrs, ibpb, stibp, ibrs_enhanced, vmmcall, fsgsbase, bmi1, avx2, smep, bmi2, invpcid, avx512f, avx512dq, rdseed, adx, smap, avx512ifma, clflushopt, clwb, avx512cd, sha_ni, avx512bw, avx512vl, xsaveopt, xsavec, xgetbv1, xsaves, avx512_bf16, clzero, xsaveerptr, rdpru, wbnoinvd, arat, avx512vbmi, pku, ospke, avx512_vbmi2, gfni, vaes, vpclmulqdq, avx512_vnni, avx512_bitalg, avx512_vpopcntdq, rdpid, flush_l1d
Ecpus
16
Scalability
100

System Resources and Accelerators

MEMORY
Memory Amount
128 GiB
Memory Amount Actual
128 GiB
Memory Generation
DDR5
Memory Speed
4800 Mhz
ACCELERATORS
Accelerator Count
0
Accelerator Memory Min
0 MiB
Accelerator Memory Total
0 MiB
Accelerators
    STORAGE
    Storage Size
    0 GB
    Storages
      NETWORK
      Network Speed Baseline
      6.25 Gbps
      Network Speed Max
      12.5 Gbps
      Network Storage Speed Baseline
      5 Gbps
      Network Storage Speed Max
      10 Gbps
      Inbound Traffic
      0 GB/month
      Outbound Traffic
      0 GB/month
      IPv4
      0

      Server Description

      A memory-optimized instance featuring dedicated AMD EPYC processors and high-speed DDR5 memory for memory-intensive enterprise workloads.

      Memory OptimizedGeneral Purpose

      The Amazon Web Services r7a.4xlarge is a memory-optimized instance featuring 16 dedicated physical cores powered by an AMD EPYC 9R14 processor running at 3.7 GHz. Built on the AWS Nitro System, it is equipped with 128.0 GB of DDR5 memory operating at 5 GHz, providing a high memory-to-core ratio of 8.0 GB per core. The instance does not include local storage or a GPU, relying on network-attached storage and a baseline network bandwidth of 6 Gbps. In benchmark testing, the r7a.4xlarge exhibits strong single-core CPU and text processing capabilities, alongside top-tier text generation speeds for small language models. Its multi-core and memory bandwidth metrics remain in the average tier. This instance is designed for memory-intensive workloads such as database operations, caching layers, and text processing tasks.

      Economics

      Average Price per Region

      Prices per Zone

      Lowest Prices

      Performance

      Workload Profiles

      1.2Score
      Precomputed compound score for Cache Intensive workloads. A weighted average (geometric mean) of benchmark scores compared to their medians: score = ∏ (x_i / m_i)^(w_i / Σw). The score of 1.0 represents a synthetic baseline server with the median performance of each component benchmark; 0.5 means roughly half the performance; and 2.0 means twice the performance of that reference profile. Component weights: 50% Redis RPS (pipeline=1, SET), 20% Redis RPS (pipeline=16, SET), 10% PassMark Memory Mark (composite), 10% Memory bandwidth (read, 16 MB ~ L3), 10% PassMark single-thread CPU. Rationale for component selection: In-memory key-value store workload, mixing direct Redis performance metrics with memory speed and latency benchmarks, and single-core CPU performance profiles.
      Component Score Weight Impact
      Raw Reference Normalized Target Actual
      Redis RPS (pipeline=1, SET) 2,237,780 ops/sec 1,938,397 ops/sec 1.2 50.00% 50.00% +9.50%
      Redis RPS (pipeline=16, SET) 19,719,590 ops/sec 11,810,473 ops/sec 1.7 20.00% 20.00% +11.00%
      PassMark Memory Mark (composite) 2,738 2,410 1.1 10.00% 10.00% +0.96%
      Memory bandwidth (read, 16 MB ~ L3) 97,361 MB/sec 108,490 MB/sec 0.88 10.00% 10.00% -1.30%
      PassMark single-thread CPU 2,890 Mops/s 2,365 Mops/s 1.2 10.00% 10.00% +1.80%

      Memory Bandwidth

      Compression

      OpenSSL

      Geekbench Single-Core

      Score: 1,993

      Geekbench Multi-Core

      Score: 15,414

      Passmark CPU Scores

      BENCHMARKSCORE
      Mark
      		 36,592
      Compression
      		 420,822
      Encryption
      		 20,865
      Extended Instructions
      		 39,823
      Floating Point Maths
      		 85,352
      Integer Maths
      		 96,709
      Physics
      		 4,214
      Prime Numbers
      		 304
      Single Threaded
      		 2,890
      String Sorting
      		 59,811

      Passmark Memory Scores

      BENCHMARKSCORE
      Memory Mark
      		 2,738
      Database Operations
      		 14,879
      Memory Latency
      		 78
      Memory Read Cached
      		 27,847
      Memory Read Uncached
      		 27,124
      Memory Write
      		 25,892

      Stress-ng Raw Scores

      Stress-ng Relative Multicore Performance

      LLM Inference Speed for Prompt Processing

      LLM Inference Speed for Text Generation

      Static Web Server

      Redis

      Alternatives

      Servers of the Same Family

      INSTANCEvCPUsMEMORYAccelerators
      r7a.medium 18 GiB0
      r7a.large 216 GiB0
      r7a.xlarge 432 GiB0
      r7a.2xlarge 864 GiB0
      r7a.8xlarge 32256 GiB0
      r7a.12xlarge 48384 GiB0
      r7a.16xlarge 64512 GiB0

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      r7a.4xlarge FAQs