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AMD A10-4655M

AMD A10-4655M

The AMD A10-4655M is a mobile low-voltage (LV) quad-core processor based on the Trinity architecture. Officially introduced in Q2 2012, it is the direct successor to the Llano A-series of APUs (Accelerated Processing Unit). The processing unit is manufactured in 32nm SOI and integrates a 2.0 GHz CPU (up to 2.8 GHz w/ Turbo Core) with a relatively fast Radeon HD 7620G GPU alongside a dual-channel memory controller, video de- and encoders and a northbridge.

The CPU cores are based on a reworked Bulldozer architecture, called Piledriver. Although marketed as a quad-core processor, the A10-4655M includes only two modules with four integer-cores and two floating-point cores total. As a result, the CPU is not a true quad-core processor.

When compared to previous Bulldozer cores, AMD has managed to improve upon the IPC (instructions per clock) performance of Trinity cores while allowing for higher clock frequencies. However, when compared to its Llano predecessor, the multithreaded performance of Trinity has only been slightly improved. The enhanced Turbo Core 3.0 feature functions well in speeding up single threaded performance, although it is still not on the same level as Intel’s Turbo Boost equivalent. Regardless, AMD has managed to include other features as well, such as the AVX extension (including FMA) and support for AES encryption.

In terms of raw general performance, the A10-4655M performs similar to the A8-4500M and the Llano-based A8-3500M. Single-threaded workloads can especially benefit from the new architecture and the updated Turbo Core functionality. If compared to Intels Core-i3-series, the A10-4655M offers less performance in most cases. Nonetheless, CPU performance from the AMD processor is sufficient for all daily workloads like Office, Internet browsing and even light video editing or gaming.

The integrated DirectX 11-compatible Radeon HD 7620G offers all 384 shader cores of the Trinity chip and, thanks to Turbo Core, will operate anywhere between 360 to 497 MHz depending on the current application demand. On average, the performance of the HD 7620G GPU is comparable to a dedicated Radeon HD 7610M and even faster than the HD Graphics 4000 as found in Intel’s Ivy Bridge.

The power consumption of the A10-4655M APU is rated at 25 Watt TDP and is therefore comparable to previous LV-processors. Consequently, the A10-4655M is best suited for 12-inch notebooks or larger.

SeriesAMD A-Series
CodenameTrinity
Series: A-Series Trinity
AMD A10-4600M (compare)2300 - 3200 MHz4 / 4
AMD A10-4657M (compare)2300 - 3200 MHz4 / 4
» AMD A10-4655M2000 - 2800 MHz4 / 4
AMD A8-4500M (compare)1900 - 2800 MHz4 / 4
AMD A8-4557M (compare)1900 - 2800 MHz4 / 4
AMD A8-4555M (compare)1600 - 2400 MHz4 / 4
AMD A6-4400M (compare)2700 - 3200 MHz2
AMD A4-4300M (compare)2500 - 3000 MHz2
AMD A6-4455M (compare)2100 - 2600 MHz2
AMD A4-4355M (compare)1900 - 2400 MHz2
Clock Rate2000 - 2800 MHz
Level 2 Cache4 MB
Number of Cores / Threads4 / 4
Max. Power Consumption (TDP = Thermal Design Power)25 Watt
Transistor Count1303 Million
Manufacturing Technology32 nm
Die Size246 mm2
FeaturesSSE (1, 2, 3, 3S, 4.1, 4.2, 4A), x86-64, AES, AVX, FMA
GPUAMD Radeon HD 7620G (360 - 497 MHz)
64 Bit64 Bit support
Announcement Date05/15/2012

Benchmarks

Cinebench R10 - Rendering Single 32Bit
1137 Points (12%)
Cinebench R10 - Rendering Multiple CPUs 64Bit
6495 Points (9%)
3DMark 06 - CPU
min: 2153     avg: 2160.5     median: 2160.5 (17%)     max: 2168 Points
Super Pi Mod 1.5 XS 32M *
2077 Seconds (9%)
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

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Reviews for the AMD A-Series A10-4655M processor

Asus VivoBook U38N-C4004H (AMD Radeon HD 7620G, 13.3")
» Review Update Asus VivoBook U38N-C4004H Notebook - Review
» Asus VivoBook U38N-C4004H - External Review

Asus VivoBook U38N-C4015H (AMD Radeon HD 7620G, 13.3")
» Asus VivoBook U38N-C4015H - External Review

Samsung 535U4C-A01US (AMD Radeon HD 7620G, 14")
» Samsung 535U4C-A01US - External Review

» Mobile CPU Comparison
Comparison of all mobile CPU series

» Mobile Processors - Benchmarklist
Benchmarklist of all known CPUs that are used in laptops (desktop and laptop CPUs)

Other CPUs of the series AMD A-Series

» AMD A-Series A10-5750M
   2.5 GHz / 4 MB
» AMD A-Series A10-5757M
   2.5 GHz / 4 MB
» AMD A-Series A10-4600M
   2.3 GHz / 4 MB
» AMD A-Series A10-4657M
   2.3 GHz / 4 MB
» AMD A-Series A10-5745M
   2.1 GHz / 4 MB
» AMD A-Series A8-5550M
   2.1 GHz / 4 MB
» AMD A-Series A8-5557M
   2.1 GHz / 4 MB
» AMD A-Series A8-7410
   2.2 GHz / 2 MB
» AMD A-Series A8-3550MX
   2 GHz / 4 MB
» AMD A-Series A8-6410
   2 GHz / 2 MB
» AMD A-Series A6-7310
   2 GHz / 2 MB
» AMD A-Series A6-6310
   1.8 GHz / 2 MB
» AMD A-Series A8-3530MX
   1.9 GHz / 4 MB
» AMD A-Series A8-3510MX
   1.8 GHz / 4 MB
» AMD A-Series A4-7210
   1.8 GHz / 2 MB
» AMD A-Series A6-3430MX
   1.7 GHz / 4 MB
» AMD A-Series A8-3520M
   1.6 GHz / 4 MB
» AMD A-Series A10-4655M
   2 GHz / 4 MB
» AMD A-Series A8-4500M
   1.9 GHz / 4 MB
» AMD A-Series A8-4557M
   1.9 GHz / 4 MB
» AMD A-Series A6-3410MX
   1.6 GHz / 4 MB
» AMD A-Series A8-3500M
   1.5 GHz / 4 MB
» AMD A-Series A6-3420M
   1.5 GHz / 4 MB
» AMD A-Series A8-5545M
   1.7 GHz / 4 MB
» AMD A-Series A6-3400M
   1.4 GHz / 4 MB
» AMD A-Series A8-4555M
   1.6 GHz / 4 MB
» AMD A-Series A6-5350M
   2.9 GHz / 1 MB
» AMD A-Series A6-5357M
   2.9 GHz / 1 MB
» AMD A-Series A6-5200
   2 GHz / 2 MB
» AMD A-Series A4-3330MX
   2.2 GHz / 2 MB
» AMD A-Series A4-5150M
   2.7 GHz / 1 MB
» AMD A-Series A6-4400M
   2.7 GHz / 1 MB
» AMD A-Series A4-4300M
   2.5 GHz / 1 MB
» AMD A-Series A4-6210
   1.8 GHz / 2 MB
» AMD A-Series A4-5100
   1.55 GHz / 2 MB
» AMD A-Series A4-5050
   1.55 GHz / 2 MB
» AMD A-Series A4-5000
   1.5 GHz / 2 MB
» AMD A-Series A10 Micro-6700T
   1.2 GHz / 2 MB
» AMD A-Series A4-3310MX
   2.1 GHz / 2 MB
» AMD A-Series A4-3320M
   2 GHz / 2 MB
» AMD A-Series E2-3800
   1.3 GHz / 2 MB
» AMD A-Series A4-3300M
   1.9 GHz / 2 MB
» AMD A-Series A4-3305M
   1.9 GHz / 1 MB
» AMD A-Series A6-5345M
   2.2 GHz / 1 MB
» AMD A-Series A6-1450
   1 GHz / 2 MB
» AMD A-Series A4 Micro-6400T
   1 GHz / 2 MB
» AMD A-Series A6-4455M
   2.1 GHz / 2 MB
» AMD A-Series A4-5145M
   2 GHz / 1 MB
» AMD A-Series A4-4355M
   1.9 GHz / 2 MB
» AMD A-Series A4-1350
   1 GHz / 2 MB
» AMD A-Series A4-1250
   1 GHz / 1 MB
» AMD A-Series A4-1200
   1 GHz / 1 MB

Surrounding CPUs

- AMD Phenom II X3 N830
   2.1 GHz / 1.5 MB
- Intel Core 2 Duo SP9300
   2.26 GHz / 6 MB
- Intel Core i7 660UM
   1.33 GHz / 0.5 MB + 4 MB
- AMD A-Series A8-3520M
   1.6 GHz / 4 MB
- AMD Bristol Ridge A6-9210
   2.4 GHz / 0 MB
» AMD A-Series A10-4655M
   2 GHz / 4 MB
+ AMD A-Series A8-4500M
   1.9 GHz / 4096 KB
+ AMD A-Series A8-4557M
   1.9 GHz / 4096 KB
+ Intel Core 2 Duo P8400
   2.26 GHz / 3072 KB
+ AMD Phenom II X4 P960
   1.8 GHz / 2048 KB
+ AMD A-Series A6-3410MX
   1.6 GHz / 4096 KB
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Klaus Hinum (Update: 2017-09- 5)