r5ad.2xlarge by Amazon Web Services

r5ad.2xlarge is a Memory optimized [AMD processors] [Instance store volumes] Gen5 2xlarge server offered by Amazon Web Services with 8 vCPUs, 64 GiB of memory and 300 GB of storage. The pricing starts at 0.1306 USD per hour.
8 vCPU
64 GiB Memory
300 GB Storage
Spare SCore
2,362
(All-cores)
591
(Single-core)

Specifications

Server Metadata

Vendor ID
aws
Name
r5ad.2xlarge
Description
Memory optimized [AMD processors] [Instance store volumes] Gen5 2xlarge
Family
r5ad
Hw Virt
Status
active
Observed At
2026-10-26T17:35:04.080304

Availability

REGION / IDSPOTONDEMAND
Mumbai (IN) / ap-south-1
0.172867 USD/h 0.332 USD/h
Northern Virgina (US) / us-east-1
0.22792 USD/h 0.524 USD/h
Ohio (US) / us-east-2
0.196867 USD/h 0.524 USD/h
Oregon (US) / us-west-2
0.27155 USD/h 0.524 USD/h
Quebec (CA) / ca-central-1
0.24265 USD/h 0.576 USD/h
Dublin (IE) / eu-west-1
0.275233 USD/h 0.584 USD/h
California (US) / us-west-1
0.186 USD/h 0.592 USD/h
Paris (FR) / eu-west-3
0.2567 USD/h 0.612 USD/h
London (GB) / eu-west-2
0.255267 USD/h 0.616 USD/h
Seoul (KR) / ap-northeast-2
0.17035 USD/h 0.632 USD/h
Frankfurt (DE) / eu-central-1
0.2695 USD/h 0.632 USD/h
Tokyo (JP) / ap-northeast-1
0.25625 USD/h 0.636 USD/h
Sydney (AU) / ap-southeast-2
0.274167 USD/h 0.636 USD/h
Singapore (SG) / ap-southeast-1
0.277967 USD/h 0.636 USD/h
Sao Paulo (BR) / sa-east-1
0.13215 USD/h 0.832 USD/h

Processor

vCPUs
8
Hypervisor
nitro
CPU Allocation
Dedicated
CPU Cores
4
CPU Speed
2.2 GHz
CPU Architecture
x86_64
CPU Manufacturer
AMD
CPU Family
EPYC
CPU Model
7571
CPU L1D Cache
32 KiB
CPU L1D Cache Total
128 KiB
CPU L1I Cache
64 KiB
CPU L1I Cache Total
256 KiB
CPU L2 Cache
512 KiB
CPU L2 Cache Total
2 MiB
CPU L3 Cache
8 MiB
CPU L3 Cache Total
8 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, ssse3, fma, cx16, sse4_1, sse4_2, movbe, popcnt, aes, xsave, avx, f16c, rdrand, hypervisor, lahf_lm, cmp_legacy, cr8_legacy, abm, sse4a, misalignsse, 3dnowprefetch, topoext, perfctr_core, vmmcall, fsgsbase, bmi1, avx2, smep, bmi2, rdseed, adx, smap, clflushopt, sha_ni, xsaveopt, xsavec, xgetbv1, clzero, xsaveerptr, arat, npt, nrip_save
Ecpus
4
Scalability
50

System Resources and Accelerators

MEMORY
Memory Amount
64 GiB
Memory Amount Actual
64 GiB
Memory Generation
DDR4
Memory Speed
2667 Mhz
ACCELERATORS
Accelerator Count
0
Accelerator Memory Min
0 MiB
Accelerator Memory Total
0 MiB
Accelerators
    STORAGE
    Storage Size
    300 GB
    Storage Type
    nvme ssd
    Storages
    • 300 GB nvme ssd
    NETWORK
    Network Speed Baseline
    2.5 Gbps
    Network Speed Max
    10 Gbps
    Network Storage Speed Baseline
    1.58 Gbps
    Network Storage Speed Max
    2.88 Gbps
    Inbound Traffic
    0 GB/month
    Outbound Traffic
    0 GB/month
    IPv4
    0

    Server Description

    A memory-optimized instance combining dedicated AMD EPYC processing, 64 GB of RAM, and fast local NVMe SSD storage for memory-bound workloads.

    Memory OptimizedStorage & Database

    Amazon Web Services r5ad.2xlarge is a memory-optimized instance featuring an AMD EPYC 7571 processor with 8 vCPUs, 4 physical cores, and a 2.2 GHz clock speed. Built on the x86_64 architecture and managed by the Nitro hypervisor, it delivers 64.0 GB of DDR4 memory alongside a bundled 300 GB local NVMe SSD instance store. While CPU and memory bandwidth benchmarks generally fall into the lower percentiles, with stress-ng and Geekbench scores in the bottom 10% to 25%, the instance maintains average performance in Passmark CPU encryption and memory tests. With a 2 Gbps baseline network bandwidth, the r5ad.2xlarge is designed for memory-intensive workloads that benefit from local scratch space, such as caching layers, distributed in-memory databases, and moderate data processing tasks where memory capacity is prioritized over raw compute speed.

    Economics

    Average Price per Region

    Prices per Zone

    Lowest Prices

    Performance

    Workload Profiles

    0.29Score
    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) 447,119 ops/sec 1,919,289 ops/sec 0.24 50.00% 50.00% -51.00%
    Redis RPS (pipeline=16, SET) 2,823,806 ops/sec 11,728,058 ops/sec 0.23 20.00% 20.00% -25.00%
    PassMark Memory Mark (composite) 1,875 2,416 0.79 10.00% 10.00% -2.30%
    Memory bandwidth (read, 16 MB ~ L3) 26,597 MB/sec 108,466 MB/sec 0.25 10.00% 10.00% -13.00%
    PassMark single-thread CPU 1,441 Mops/s 2,365 Mops/s 0.58 10.00% 10.00% -5.30%

    Memory Bandwidth

    Compression

    OpenSSL

    Geekbench Single-Core

    Score: 727

    Geekbench Multi-Core

    Score: 2,943

    Passmark CPU Scores

    BENCHMARKSCORE
    Mark
    		 6,901
    Compression
    		 87,882
    Encryption
    		 6,461
    Extended Instructions
    		 3,255
    Floating Point Maths
    		 10,920
    Integer Maths
    		 20,722
    Physics
    		 595
    Prime Numbers
    		 23
    Single Threaded
    		 1,441
    String Sorting
    		 12,808

    Passmark Memory Scores

    BENCHMARKSCORE
    Memory Mark
    		 1,875
    Database Operations
    		 1,951
    Memory Latency
    		 65
    Memory Read Cached
    		 14,880
    Memory Read Uncached
    		 10,841
    Memory Write
    		 8,290

    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
    r5ad.large 216 GiB0
    r5ad.xlarge 432 GiB0
    r5ad.4xlarge 16128 GiB0
    r5ad.8xlarge 32256 GiB0
    r5ad.12xlarge 48384 GiB0
    r5ad.16xlarge 64512 GiB0
    r5ad.24xlarge 96768 GiB0

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    r5ad.2xlarge FAQs