Comparison of ARMv7-A cores
This is a table comparing microarchitectures which implement the ARM ARMv7-A (A means Application[1]) instruction set architecture and mandatory or optional extensions of it, the last AArch32.
Table
| core | decode width | execution ports | pipeline depth | Out-of-order execution | FPU | pipelined VFP | FPU registers | NEON (SIMD) | big.LITTLE role | virtualization[2] | process technology | L0 cache | L1 cache | L2 cache | core configurations | speed per core (DMIPS / MHz) | ARM part number (in the main ID register) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ARM Cortex-A5 | 1 | 8 | No | VFPv4 (optional) | 16 × 64-bit | 64-bit wide (optional) | No | No | 40/28 nm | 4–64 KiB / core | 1, 2, 4 | 1.57 | 0xC05 | ||||
| ARM Cortex-A7 | 2 | 5 [3] | 8 | No | VFPv4 | Yes | 16 × 64-bit | 64-bit wide | LITTLE | Yes [4] | 40/28 nm | 8–64 KiB / core | up to 1 MiB (optional) | 1, 2, 4, 8 | 1.9 | 0xC07 | |
| ARM Cortex-A8 | 2 | 2 [5] | 13 | No | VFPv3 | No | 32 × 64-bit | 64-bit wide | No | No | 65/55/45 nm | 32 KiB + 32 KiB | 256 or 512 (typical) KiB | 1 | 2.0 | 0xC08 | |
| ARM Cortex-A9 | 2 | 3 [6] | 8–11 [7] | Yes | VFPv3 (optional) | Yes | (16 or 32) × 64-bit | 64-bit wide (optional) | Companion Core | No [7] | 65/45/40/32/28 nm | 32 KiB + 32 KiB | 1 MiB | 1, 2, 4 | 2.5 | 0xC09 | |
| ARM Cortex-A12 | 3 | 11 | Yes | VFPv4 | Yes | 32 × 64-bit | 128-bit wide | No [8] | Yes | 28nm | 32-64 KiB + 32 KiB | 256 KiB, to 8 MiB | 1, 2, 4 | 3.0 | 0xC0D | ||
| ARM Cortex-A15 | 3 | 8 [3] | 15/17-25 | Yes | VFPv4 | Yes | 32 × 64-bit | 128-bit wide | big | Yes [9] | 32/28/20 nm | 32 KiB + 32 KiB per core | up to 4 MiB per cluster, up to 8 MiB per chip | 2, 4, 8 (4×2) | 3.5 to 4.01 | 0xC0F | |
| ARM Cortex-A17 | 2 [10] | 11+ | Yes | VFPv4 | Yes | 32 × 64-bit | 128-bit wide | big | Yes | 28nm | 32 KiB + 32 KiB per core | 256 KiB, up to 8 MiB | up to 4 | 4.0 | 0xC0E | ||
| Qualcomm Scorpion | 2 | 3 [11] | 10 | Yes (FXU&LSU only) [12] | VFPv3 | Yes | 128-bit wide | No | 65/45 nm | 32 KiB + 32 KiB | 256 KiB (single-core) 512 KiB (dual-core) |
1, 2 | 2.1 | 0x00F | |||
| Qualcomm Krait [13] | 3 | 7 | 11 | Yes | VFPv4 [14] | Yes | 128-bit wide | No | 28 nm | 4 KiB + 4 KiB direct mapped | 16 KiB + 16 KiB 4-way set associative | 1 MiB 8-way set associative (dual-core) / 2 MiB (quad-core) | 2, 4 | 3.3 (Krait 200) 3.39 (Krait 300) 3.39 (Krait 400) 3.51 (Krait 450) |
0x04D 0x06F | ||
| Apple A6 | 3 | 5 | 12 | Yes | VFPv4 | Yes | 32 × 64-bit | 128-bit wide | No | 32 nm | 32 KiB + 32 KiB | 1 MiB | 2 | 3.5 | ? | ||
| core | decode width |
execution ports |
pipeline depth |
Out-of-order execution | FPU | pipelined VFP |
FPU registers |
NEON (SIMD) |
big.LITTLE role |
virtualization[2] | process technology |
L0 cache |
L1 cache |
L2 cache |
core configurations |
speed per core (DMIPS / MHz) |
ARM part number (in the main ID register) |
See also
- Comparison of ARMv8-A cores
- List of ARM cores
- List of applications of ARM cores
- Multi-core processor
References
- "ARM V7 Differences". infocenter.arm.com. ARM Information Center. Retrieved 1 June 2016.
- "ARM processor hardware virtualization support". www.arm.com. ARM Holdings. Retrieved 1 June 2016.
- "big.LITTLE processing with ARM Cortex-A15 & Cortex-A7" (PDF). www.arm.com. ARM Holdings. Archived from the original (PDF) on 17 October 2013. Retrieved 6 August 2014.
- "Cortex-A7 processor". www.arm.com. ARM Holdings. Retrieved 1 June 2016.
- "Cortex-A8 architecture". processors.wiki.TI.com. Texas Instruments. Archived from the original on 8 August 2014. Retrieved 6 August 2014.
- "The ARM Cortex-A9 processors" (PDF). www.arm.com. ARM Holdings. Archived from the original (PDF) on 17 November 2014. Retrieved 6 August 2014.
- "Cortex-A9 processor". www.arm.com. ARM Holdings. Retrieved 15 September 2014.
- http://community.arm.com/groups/processors/blog/2014/09/30/arm-cortex-a17-cortex-a12-processor-update
- "Cortex-A15 processor". www.arm.com. ARM Holdings. Retrieved 9 August 2016.
- "ARM Cortex-A17 MPCore processor technical reference manual" (PDF). infocenter.arm.com. ARM Holdings. Retrieved 18 September 2014.
- Klug, Brian (7 October 2011). "Qualcomm's new Snapdragon S4: MSM8960 & Krait architecture explored". www.anandtech.com. Anandtech. Retrieved 6 August 2014.
- http://rtcgroup.com/arm/2007/presentations/253%20-%20ARM_DevCon_2007_Snapdragon_FINAL_20071004.pdf
- http://www.anandtech.com/show/4940/qualcomm-new-snapdragon-s4-msm8960-krait-architecture
- http://www.anandtech.com/show/5559/qualcomm-snapdragon-s4-krait-performance-preview-msm8960-adreno-225-benchmarks/2
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