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r8i.48xlarge by Amazon Web Services

r8i.48xlarge is a Memory optimized [Intel processors] Gen8 48xlarge server offered by Amazon Web Services with 192 vCPUs, 1536 GiB of memory and 0 GB of storage. The pricing starts at 1.3674 USD per hour.
192 vCPU
1536 GiB Memory
Spare SCore
207544
(All-cores)
2121
(Single-core)

Specifications

Server Metadata

Vendor ID
aws
Name
r8i.48xlarge
Description
Memory optimized [Intel processors] Gen8 48xlarge
Family
r8i
Hw Virt
Status
active
Observed At
2026-07-29T21:35:42.965133

Availability

REGION / IDSPOTONDEMAND
Oregon (US) / us-west-2
3.732775 USD/h 13.3363 USD/h
Northern Virgina (US) / us-east-1
6.6734 USD/h 13.3363 USD/h
Ohio (US) / us-east-2
6.2446 USD/h 13.3363 USD/h
(MY) / ap-southeast-5
4.984967 USD/h 13.6742 USD/h
Hyderabad (IN) / ap-south-2
2.163033 USD/h 13.7597 USD/h
Mumbai (IN) / ap-south-1
1.4428 USD/h 13.7597 USD/h
Stockholm (SE) / eu-north-1
2.60565 USD/h 14.183 USD/h
Quebec (CA) / ca-central-1
4.677467 USD/h 14.6064 USD/h
California (US) / us-west-1
6.60735 USD/h 14.8176 USD/h
Aragón (ES) / eu-south-2
4.383133 USD/h 14.9232 USD/h
Dublin (IE) / eu-west-1
4.776767 USD/h 14.9232 USD/h
Paris (FR) / eu-west-3
1.6428 USD/h 15.6643 USD/h
London (GB) / eu-west-2
3.9236 USD/h 15.6643 USD/h
Sydney (AU) / ap-southeast-2
5.869833 USD/h 15.9821 USD/h
Tokyo (JP) / ap-northeast-1
2.429433 USD/h 16.0877 USD/h
Seoul (KR) / ap-northeast-2
4.563475 USD/h 16.0877 USD/h
Frankfurt (DE) / eu-central-1
3.703733 USD/h 16.0877 USD/h
Singapore (SG) / ap-southeast-1
5.959433 USD/h 16.0877 USD/h
United Arab Emirates / me-central-1
6.7203 USD/h 16.416 USD/h
(NZ) / ap-southeast-6
1.6781 USD/h 16.7808 USD/h
Zurich (CH) / eu-central-2
3.4376 USD/h 17.6966 USD/h
Cape Town (ZA) / af-south-1
1.7781 USD/h 17.7811 USD/h
Sao Paulo (BR) / sa-east-1
2.299367 USD/h 21.2736 USD/h

Processor

vCPUs
192
Hypervisor
nitro
CPU Allocation
Dedicated
CPU Cores
96
CPU Speed
3.9 GHz
CPU Architecture
x86_64
CPU Manufacturer
Intel
CPU Family
Xeon
CPU Model
6975P-C
CPU L1D Cache
48 KiB
CPU L1D Cache Total
5 MiB
CPU L1I Cache
64 KiB
CPU L1I Cache Total
6 MiB
CPU L2 Cache
2 MiB
CPU L2 Cache Total
192 MiB
CPU L3 Cache
480 MiB
CPU L3 Cache Total
480 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, ss, ht, syscall, nx, pdpe1gb, rdtscp, lm, constant_tsc, arch_perfmon, rep_good, nopl, xtopology, nonstop_tsc, cpuid, aperfmperf, tsc_known_freq, pni, pclmulqdq, monitor, ssse3, fma, cx16, pdcm, pcid, sse4_1, sse4_2, x2apic, movbe, popcnt, tsc_deadline_timer, aes, xsave, avx, f16c, rdrand, hypervisor, lahf_lm, abm, 3dnowprefetch, cpuid_fault, ssbd, ibrs, ibpb, stibp, ibrs_enhanced, fsgsbase, tsc_adjust, bmi1, avx2, smep, bmi2, erms, invpcid, avx512f, avx512dq, rdseed, adx, smap, avx512ifma, clflushopt, clwb, avx512cd, sha_ni, avx512bw, avx512vl, xsaveopt, xsavec, xgetbv1, xsaves, avx_vnni, avx512_bf16, wbnoinvd, ida, arat, avx512vbmi, umip, pku, ospke, waitpkg, avx512_vbmi2, gfni, vaes, vpclmulqdq, avx512_vnni, avx512_bitalg, tme, avx512_vpopcntdq, rdpid, bus_lock_detect, cldemote, movdiri, movdir64b, md_clear, serialize, amx_bf16, avx512_fp16, amx_tile, amx_int8, flush_l1d, arch_capabilities
Ecpus
97.8
Scalability
101.88

System Resources and Accelerators

MEMORY
Memory Amount
2 TB
Memory Amount Actual
2 TB
Memory Generation
DDR5
Memory Speed
7200 Mhz
GPU
GPU Count
0
GPU Memory Min
0 MiB
GPU Memory Total
0 MiB
GPUs
    STORAGE
    Storage Size
    0 GB
    Storages
      NETWORK
      Network Speed Baseline
      75 Gbps
      Network Speed Max
      75 Gbps
      Network Storage Speed Baseline
      60 Gbps
      Network Storage Speed Max
      60 Gbps
      Inbound Traffic
      0 GB/month
      Outbound Traffic
      0 GB/month
      IPv4
      0

      Server Description

      A high-capacity memory-optimized instance featuring next-generation DDR5 RAM and advanced matrix extensions for demanding enterprise workloads.

      Memory OptimizedCompute Optimized

      Amazon Web Services r8i.48xlarge is a memory-optimized server instance running on the AWS Nitro hypervisor. It features 192 vCPUs powered by an Intel Xeon 6975P-C processor running at 3.9 GHz, alongside 1536.0 GB of 7 GHz DDR5 memory. The instance does not include local storage or GPUs, but offers a 75 Gbps baseline network bandwidth. Built on an x86_64 architecture, the CPU supports advanced instruction sets including AVX-512 and Intel AMX. Benchmark data indicates top-tier multi-core CPU performance, exceptional memory bandwidth, and high-throughput database operations, with Redis SET performance exceeding 268 million operations per second. This profile makes the r8i.48xlarge highly effective for large-scale in-memory databases, enterprise applications, and high-throughput data processing workloads.

      Economics

      Average Price per Region

      Prices per Zone

      Lowest Prices

      Performance

      Workload Profiles

      9.18Score
      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) 34,532,517 ops/sec 1,896,415 ops/sec 18.2 50.00% 50.00% +327.00%
      Redis RPS (pipeline=16, SET) 172,500,869 ops/sec 11,539,523 ops/sec 14.9 20.00% 20.00% +71.60%
      PassMark Memory Mark (composite) 2,652 2,411 1.1 10.00% 10.00% +0.96%
      Memory bandwidth (read, 16 MB ~ L3) 676,179 MB/sec 107,368 MB/sec 6.3 10.00% 10.00% +20.20%
      PassMark single-thread CPU 3,252 Mops/s 2,363 Mops/s 1.38 10.00% 10.00% +3.27%

      Memory Bandwidth

      Compression

      OpenSSL

      Geekbench Single-Core

      Score: 2,170

      Geekbench Multi-Core

      Score: 21,917

      Passmark CPU Scores

      BENCHMARKSCORE
      Mark
      		 143752
      Compression
      		 3565980
      Encryption
      		 209976
      Extended Instructions
      		 243183
      Floating Point Maths
      		 716661
      Integer Maths
      		 989772
      Physics
      		 26562
      Prime Numbers
      		 1574
      Single Threaded
      		 3252
      String Sorting
      		 454242

      Passmark Memory Scores

      BENCHMARKSCORE
      Memory Mark
      		 2652
      Database Operations
      		 34658
      Memory Latency
      		 69
      Memory Read Cached
      		 27557
      Memory Read Uncached
      		 14839
      Memory Write
      		 10764

      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
      r8i.large 216 GiB0
      r8i.xlarge 432 GiB0
      r8i.2xlarge 864 GiB0
      r8i.4xlarge 16128 GiB0
      r8i.8xlarge 32256 GiB0
      r8i.12xlarge 48384 GiB0
      r8i.16xlarge 64512 GiB0

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      r8i.48xlarge FAQs