Cross-Architecture Performance Tracking
Tracking performance trends across leading architectures.
Current tests are scalar only.
Architecture Summary
Arm
AWS EC2 Graviton5 (Neoverse V3) Instance 3.3GHz
GCC 15.1.0
SPECint Ratio/GHz24.91
- Top 1 score
- 24.91
- Top 1 of
- 7 tests
- Latest run
- 2026-07-04
RISC-V
OpenXiangShan KMHv3 RTL 3GHz
XSCC 1.1
SPECint Ratio/GHz18.75
- Top 1 score
- 18.75
- Top 1 of
- 7 tests
- Latest run
- 2026-06-24
x86
AMD Ryzen 9 9950X (Zen 5) 5.7GHz
GCC 15.1.0
SPECint Ratio/GHz17.72
- Top 1 score
- 17.72
- Top 1 of
- 3 tests
- Latest run
- 2026-01-29
Scores
SPECint Ratio/GHz
- AWS EC2 Graviton5 (Neoverse V3) Instance 3.3GHz · GCC 15.1.024.91
- AWS EC2 Graviton5 (Neoverse V3) Instance 3.3GHz · XSCC 1.124.88
- AWS EC2 Graviton4 (Neoverse V2) Instance 2.8GHz · XSCC 1.123.05
- AWS EC2 Graviton4 (Neoverse V2) Instance 2.8GHz · LLVM 21.1.022.54
- AWS EC2 Graviton4 (Neoverse V2) Instance 2.8GHz · GCC 15.1.022.35
- OpenXiangShan KMHv3 RTL 3GHz · XSCC 1.118.75
- OpenXiangShan KMHv3 RTL 3GHz · XSCC 1.118.24
- AMD Ryzen 9 9950X (Zen 5) 5.7GHz · GCC 15.1.017.72
- T-Head Yitian 710 (Neoverse N2) 3GHz · XSCC 1.117.69
- OpenXiangShan KMHv3 RTL 3GHz · XSCC 1.117.58
- T-Head Yitian 710 (Neoverse N2) 3GHz · LLVM 21.1.017.46
- OpenXiangShan KMHv3 RTL 3GHz · LLVM 21.1.016.47
- AMD Ryzen 9 9950X (Zen 5) 5.7GHz · LLVM 21.1.016.40
- OpenXiangShan KMHv3 RTL 3GHz · GCC 12.1.016.02
- OpenXiangShan KMHv3 RTL 3GHz · GCC 12.1.015.28
- Intel Core i9-14900K (Raptor Cove) 6GHz · GCC 15.1.014.93
- SpacemiT K3 X100 (2.4GHz, L1:64 KiB I + 64 KiB D, L2:8 MB I+D shared L2 cache per 8-core cluster, rva23) · LLVM 22.1.06.65
KMHv3 Version Progress
SPECint Ratio/GHz
Best scoreBest score across all architectures for the current filters.Neoverse V3 (Arm) 24.9115.2816.0217.5818.2418.75
Show numbers
- 12025-12-19GCC 12.1.02025-12-1915.28
- 22025-12-31GCC 12.1.02025-12-3116.02
- 32026-01-21XSCC 1.12026-01-2117.58
- 42026-04-30XSCC 1.12026-04-3018.24
- 52026-06-05XSCC 1.12026-06-1418.75
Benchmarks
400.perlbench · Ratio/GHz · base
Ratio = Reference time / Run timeReference time: 9770s
- ArmAWS EC2 Graviton5 (Neoverse V3) Instance 3.3GHz23.06Run time: 128s
- x86AMD Ryzen 9 9950X (Zen 5) 5.7GHz20.26Run time: 84.6s
- RISC-VOpenXiangShan KMHv3 RTL 3GHz15.74Run time: 206.9s
Show numbers
- 1AWS EC2 Graviton5 (Neoverse V3) Instance 3.3GHzGCC 15.1.0Arm23.06Run time: 128s
- 2AWS EC2 Graviton5 (Neoverse V3) Instance 3.3GHzXSCC 1.1Arm22.27Run time: 133s
- 3AWS EC2 Graviton4 (Neoverse V2) Instance 2.8GHzGCC 15.1.0Arm21.29Run time: 163.9s
- 4AWS EC2 Graviton4 (Neoverse V2) Instance 2.8GHzLLVM 21.1.0Arm20.93Run time: 166.7s
- 5AWS EC2 Graviton4 (Neoverse V2) Instance 2.8GHzXSCC 1.1Arm20.54Run time: 169.9s
- 6AMD Ryzen 9 9950X (Zen 5) 5.7GHzGCC 15.1.0x8620.26Run time: 84.6s
- 7AMD Ryzen 9 9950X (Zen 5) 5.7GHzLLVM 21.1.0x8619.59Run time: 87.5s
- 8Intel Core i9-14900K (Raptor Cove) 6GHzGCC 15.1.0x8617.72Run time: 91.9s
- 9T-Head Yitian 710 (Neoverse N2) 3GHzGCC 15.1.0Arm16.37Run time: 198.9s
- 10Intel Core i9-14900K (Raptor Cove) 6GHzLLVM 21.1.0x8615.96Run time: 102s
- 11OpenXiangShan KMHv3 RTL 3GHzXSCC 1.1RISC-V15.74Run time: 206.9s
- 12OpenXiangShan KMHv3 RTL 3GHzLLVM 21.1.0RISC-V15.67Run time: 207.9s
- 13OpenXiangShan KMHv3 RTL 3GHzXSCC 1.1RISC-V15.49Run time: 210.3s
- 14OpenXiangShan KMHv3 RTL 3GHzXSCC 1.1RISC-V15.31Run time: 212.7s
- 15T-Head Yitian 710 (Neoverse N2) 3GHzLLVM 21.1.0Arm15.30Run time: 212.9s
- 16T-Head Yitian 710 (Neoverse N2) 3GHzXSCC 1.1Arm15.03Run time: 216.7s
- 17OpenXiangShan KMHv3 RTL 3GHzGCC 12.1.0RISC-V12.79Run time: 254.6s
- 18OpenXiangShan KMHv3 RTL 3GHzGCC 12.1.0RISC-V12.24Run time: 266.1s
- 19SpacemiT K3 X100 (2.4GHz, L1:64 KiB I + 64 KiB D, L2:8 MB I+D shared L2 cache per 8-core cluster, rva23)LLVM 22.1.0RISC-V6.63Run time: 614.4s
Overall Ranking
Show numbers (17)
| # | Architecture | Machine | Compiler | SPECint Ratio/GHz | Run date | Report |
|---|---|---|---|---|---|---|
| 1 | Arm | AWS EC2 Graviton5 (Neoverse V3) Instance 3.3GHz | GCC 15.1.0 | 24.91 | 2026-07-04 | |
| 2 | Arm | AWS EC2 Graviton5 (Neoverse V3) Instance 3.3GHz | XSCC 1.1 | 24.88 | 2026-07-04 | |
| 3 | Arm | AWS EC2 Graviton4 (Neoverse V2) Instance 2.8GHz | XSCC 1.1 | 23.05 | 2026-06-26 | |
| 4 | Arm | AWS EC2 Graviton4 (Neoverse V2) Instance 2.8GHz | LLVM 21.1.0 | 22.54 | 2026-06-26 | |
| 5 | Arm | AWS EC2 Graviton4 (Neoverse V2) Instance 2.8GHz | GCC 15.1.0 | 22.35 | 2026-06-26 | |
| 6 | RISC-V | OpenXiangShan KMHv3 RTL 3GHz | XSCC 1.1 | 18.75 | 2026-06-14 | |
| 7 | RISC-V | OpenXiangShan KMHv3 RTL 3GHz | XSCC 1.1 | 18.24 | 2026-04-30 | |
| 8 | x86 | AMD Ryzen 9 9950X (Zen 5) 5.7GHz | GCC 15.1.0 | 17.72 | 2026-01-22 | |
| 9 | Arm | T-Head Yitian 710 (Neoverse N2) 3GHz | XSCC 1.1 | 17.69 | 2026-06-22 | |
| 10 | RISC-V | OpenXiangShan KMHv3 RTL 3GHz | XSCC 1.1 | 17.58 | 2026-01-21 | |
| 11 | Arm | T-Head Yitian 710 (Neoverse N2) 3GHz | LLVM 21.1.0 | 17.46 | 2026-06-22 | |
| 12 | RISC-V | OpenXiangShan KMHv3 RTL 3GHz | LLVM 21.1.0 | 16.47 | 2026-05-15 | |
| 13 | x86 | AMD Ryzen 9 9950X (Zen 5) 5.7GHz | LLVM 21.1.0 | 16.40 | 2026-01-29 | |
| 14 | RISC-V | OpenXiangShan KMHv3 RTL 3GHz | GCC 12.1.0 | 16.02 | 2025-12-31 | |
| 15 | RISC-V | OpenXiangShan KMHv3 RTL 3GHz | GCC 12.1.0 | 15.28 | 2025-12-19 | |
| 16 | x86 | Intel Core i9-14900K (Raptor Cove) 6GHz | GCC 15.1.0 | 14.93 | 2026-01-29 | |
| 17 | RISC-V | SpacemiT K3 X100 (2.4GHz, L1:64 KiB I + 64 KiB D, L2:8 MB I+D shared L2 cache per 8-core cluster, rva23) | LLVM 22.1.0 | 6.65 | 2026-06-24 |