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r5a.12xlarge by Amazon Web Services

r5a.12xlarge is a Memory optimized [AMD processors] Gen5 12xlarge server offered by Amazon Web Services with 48 vCPUs, 384 GiB of memory and 0 GB of storage. The pricing starts at 0.3363 USD per hour.
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48 vCPU
384 GiB Memory
Spare SCore
14157
(All-cores)
582
(Single-core)

Specifications

Server Metadata

Vendor ID
aws
Name
r5a.12xlarge
Description
Memory optimized [AMD processors] Gen5 12xlarge
Family
r5a
Status
active
Observed At
2026-05-01T07:31:43.529693

Availability

REGION / IDSPOTONDEMAND
Mumbai (IN) / ap-south-1
0.8212 USD/h 1.716 USD/h
Ohio (US) / us-east-2
0.999733 USD/h 2.712 USD/h
Oregon (US) / us-west-2
1.01785 USD/h 2.712 USD/h
Northern Virgina (US) / us-east-1
1.171 USD/h 2.712 USD/h
Quebec (CA) / ca-central-1
1.22905 USD/h 2.976 USD/h
California (US) / us-west-1
1.0369 USD/h 3.024 USD/h
Dublin (IE) / eu-west-1
1.3759 USD/h 3.048 USD/h
Milan (IT) / eu-south-1
0.360933 USD/h 3.192 USD/h
Paris (FR) / eu-west-3
0.7561 USD/h 3.192 USD/h
London (GB) / eu-west-2
1.0865 USD/h 3.192 USD/h
Seoul (KR) / ap-northeast-2
1.12225 USD/h 3.264 USD/h
Sydney (AU) / ap-southeast-2
1.536767 USD/h 3.264 USD/h
Singapore (SG) / ap-southeast-1
1.571433 USD/h 3.264 USD/h
Tokyo (JP) / ap-northeast-1
0.936267 USD/h 3.288 USD/h
Frankfurt (DE) / eu-central-1
1.2808 USD/h 3.288 USD/h
Sao Paulo (BR) / sa-east-1
1.00355 USD/h 4.344 USD/h

Processor

vCPUs
48
Hypervisor
nitro
CPU Allocation
Dedicated
CPU Cores
24
CPU Speed
2.5 GHz
CPU Architecture
x86_64
CPU Manufacturer
AMD
CPU Family
EPYC
CPU Model
7571
CPU L1D Cache
32 KiB
CPU L1D Cache Total
768 KiB
CPU L1I Cache
64 KiB
CPU L1I Cache Total
2 MiB
CPU L2 Cache
512 KiB
CPU L2 Cache Total
12 MiB
CPU L3 Cache
8 MiB
CPU L3 Cache Total
48 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, amd_dcm, 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

System Resources and Accelerators

MEMORY
Memory Amount
384 GiB
Memory Generation
DDR4
Memory Speed
2667 Mhz
GPU
GPU Count
0
GPUs
    STORAGE
    Storage Size
    0 GB
    Storages
      NETWORK
      Network Speed
      10 Gbps
      Inbound Traffic
      0 GB/month
      Outbound Traffic
      0 GB/month
      IPv4
      0

      Economics

      Average Price per Region

      Prices per Zone

      Lowest Prices

      Performance

      Memory Bandwidth

      Compression

      OpenSSL

      Geekbench Single-Core

      Score: 724

      Geekbench Multi-Core

      Score: 6,887

      Passmark CPU Scores

      BENCHMARKSCORE
      Mark
      		30333
      Compression
      		530174
      Encryption
      		38963
      Extended Instructions
      		19782
      Floating Point Maths
      		65550
      Integer Maths
      		124462
      Physics
      		2588
      Prime Numbers
      		110
      Single Threaded
      		1448
      String Sorting
      		69773

      Passmark Memory Scores

      BENCHMARKSCORE
      Memory Mark
      		2159
      Database Operations
      		11314
      Memory Latency
      		62
      Memory Read Cached
      		14959
      Memory Read Uncached
      		11568
      Memory Write
      		8245

      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

      INSTANCEvCPUsMEMORYGPUs
      r5a.large 216 GiB0
      r5a.xlarge 432 GiB0
      r5a.2xlarge 864 GiB0
      r5a.4xlarge 16128 GiB0
      r5a.8xlarge 32256 GiB0
      r5a.16xlarge 64512 GiB0
      r5a.24xlarge 96768 GiB0

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      r5a.12xlarge FAQs