C-70

Details and Benchmarks for AMD C-70

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for C-70 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

3,829 Rank: 2006
Rank Name Score Visual
2002 Atom Z3740D 3,833
+0.1%
2003 E1-2100 3,832
+0.1%
2004 Celeron N2807 3,831
+0.1%
2005 Celeron N3000 3,829
+0%
2006 C-70 3,829
2007 Athlon X2 QL-62 3,826
-0.1%
2008 Atom N550 3,825
-0.1%
2009 Celeron N2815 3,822
-0.2%
2010 Intel Celeron J3060 3,821
-0.2%
2011 Athlon X2 QL-64 3,816
-0.3%

View full ranking →

Multicore Score

Multicore performance score for C-70 based on multi-threaded benchmark results.

4,220 Rank: 1988
Rank Name Score Visual
1984 Phenom X4 9600 4,221
+0%
1985 Atom 330 4,220
+0%
1986 Celeron G1610 4,220
+0%
1987 V140 4,220
+0%
1988 C-70 4,220
1989 C-60 4,218
+-0%
1990 Xeon E5405 4,217
-0.1%
1991 Pentium E5400 4,217
-0.1%
1992 Core 2 Duo T7200 4,216
-0.1%
1993 Xeon E5504 4,215
-0.1%

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Singlecore Score

Single-core performance score for C-70 based on single-threaded benchmark results.

3,568 Rank: 1995
Rank Name Score Visual
1991 Atom x7-Z8750 3,575
+0.2%
1992 Intel Atom x7-E3950 3,571
+0.1%
1993 E1-2100 3,571
+0.1%
1994 Atom x5-Z8330 3,569
+0%
1995 C-70 3,568
1996 Sempron LE-1300 3,568
+0%
1997 Athlon X2 QL-64 3,566
-0.1%
1998 Pentium N3510 3,565
-0.1%
1999 Athlon X2 BE-2400 3,565
-0.1%
2000 Celeron N2807 3,557
-0.3%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for C-70 based on integer math, floating point math, and prime number computation benchmarks.

4,458 Rank: 1753
Rank Name Score Visual
1749 Athlon 64 3500+ 4,458
+0%
1750 C-60 4,458
+0%
1751 Atom N570 4,458
+0%
1752 Atom N2600 4,458
+0%
1753 C-70 4,458
1754 C-50 4,457
+-0%
1755 Atom N550 4,457
+-0%
1756 Celeron 430 4,457
+-0%
1757 Sempron 3200+ 4,457
+-0%
1758 Pentium 4 3.00GHz 4,456
+-0%

View full ranking →

Data Processing

Aggregated score for C-70 based on data encryption, data compression, and string sorting benchmarks.

4,425 Rank: 1751
Rank Name Score Visual
1747 Atom N550 4,426
+0%
1748 Athlon 64 3500+ 4,425
+0%
1749 Pentium 4 3.00GHz 4,425
+0%
1750 Atom D2500 4,425
+0%
1751 C-70 4,425
1752 Athlon 64 3200+ 4,424
+-0%
1753 Sempron LE-1250 4,424
+-0%
1754 C-60 4,423
+-0%
1755 E1-2100 4,423
+-0%
1756 A4-1250 4,423
+-0%

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Physics & Compute

Aggregated score for C-70 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,436 Rank: 1757
Rank Name Score Visual
1753 A4-1200 4,436
+0%
1754 Atom D2500 4,436
+0%
1755 Pentium SU2700 4,436
+0%
1756 Celeron 430 4,436
+0%
1757 C-70 4,436
1758 Athlon 64 3200+ 4,435
+-0%
1759 C-50 4,434
+-0%
1760 Athlon 64 4000+ 4,433
-0.1%
1761 Atom N450 4,433
-0.1%
1762 Atom N455 4,433
-0.1%

View full ranking →

C-70 Details

As of March 2026, the AMD C-70 remains a relic from an earlier era of mobile computing, having been launched in September 2012. Built on AMD’s 40 nm process and based on the Ontario microarchitecture, this processor was designed for low-power mobile devices where efficiency and integrated graphics were prioritized over raw performance. With a 9 W TDP and a single-core, single-threaded design, the C-70 reflects a time when power efficiency and thermal constraints dictated performance trade-offs.

The C-70 features a base clock of 1000 MHz, with a turbo frequency reaching 1333 MHz under load, though its performance is constrained by its dual-core design and limited cache hierarchy. Each core has 512 KB of L2 cache, totaling 1.024 MiB across both cores, while L1 cache is listed at 0.061 MiB. It supports DDR3 memory via a single-channel interface and operates on the Socket FT1 platform, which is now obsolete in modern systems. Despite its age, the processor includes support for modern features such as MMX, SSE, SSE2, SSE3, SSSE3, SSE4a, and AMD-V, enabling basic virtualization and multimedia acceleration.

Integrated graphics are provided by the Radeon HD 6290, which offers modest performance suitable for light multimedia playback and basic desktop tasks. However, it lacks the compute power needed for modern gaming or GPU-intensive applications. The processor's lack of simultaneous multithreading and a locked multiplier further limit its versatility, making it unsuitable for overclocking or demanding multi-threaded workloads.

Performance benchmarks place the C-70 near the bottom of the hierarchy. It scores 3829 in the overall benchmark, ranking #2005 of 2060, with a single-core score of 3568 (#1995) and a multicore score of 4220 (#1985). These results indicate that while the C-70 performs comparably to some low-end Atom and Celeron processors, it falls significantly behind contemporary CPUs in both single-threaded and multi-threaded tasks. Its closest competitors include the C-60 and Pentium N3510, but even these modern low-power chips outperform the C-70 in most metrics.

Given its age and performance profile, the C-70 is best suited for legacy systems, embedded applications, or educational purposes where minimal processing power is sufficient. It serves as a reminder of how far mobile computing has come, with today’s processors offering vastly superior performance, efficiency, and feature sets. For users seeking anything beyond basic functionality, the C-70 is no longer a viable option.
Frequently Compared

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AMD C-70

Main Specifications

Designer: AMD
Name: C-70
Cores: 2
Threads: 2
Base Frequency: 1000 MHz
Clock Multiplier: 5x (locked)
Core Name: Ontario
Socket: Socket FT1
Package:
Target Segment: Mobile
TDP: 9 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.488 MiB

Memory Specifications

Supported Memory Type: DDR3

Physical Specifications

Process: 40 nm
Die Area: 75 mm²

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4a AMD-V
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