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AMD A8-4500M

AMD A8-4500M

The AMD A8-4500M is a mobile 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 1.9 GHz CPU (up to 2.8 GHz w/ Turbo Core) with a relatively fast Radeon HD 7640G 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 A8-4500M 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 A8-4500M performs similar to 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 A8-4500M offers less performance in most cases. Nonetheless, CPU performance from the AMD processor should be sufficient for all daily workloads like Office, Internet browsing and even light video editing or gaming.

The integrated DirectX 11-compatible Radeon HD 7640G offers only 256 shader cores of the Trinity chip (7660G: 384) and, thanks to Turbo Core, will operate anywhere between 497 to 686 MHz depending on the current application demand. On average, the performance of the HD 7640G GPU is comparable to a dedicated Radeon HD 7610M and is even faster than the HD Graphics 4000 as found in Intel’s Ivy Bridge.

The power consumption of the A8-4500M APU is rated at 35 Watt TDP and is therefore comparable to mid-range dual-core Ivy Bridge processors. Consequently, the A8-4500M is best suited for 14-inch notebooks or larger.

SeriesAMD A-Series
CodenameTrinity
Series: A-Series Trinity
AMD A10-4600M compare2.3 - 3.2 GHz4 / 4
AMD A10-4657M compare2.3 - 3.2 GHz4 / 4
AMD A10-4655M compare2 - 2.8 GHz4 / 4
» AMD A8-4500M1.9 - 2.8 GHz4 / 4
AMD A8-4557M compare1.9 - 2.8 GHz4 / 4
AMD A8-4555M compare1.6 - 2.4 GHz4 / 4
AMD A6-4400M compare2.7 - 3.2 GHz2
AMD A4-4300M compare2.5 - 3 GHz2
AMD A6-4455M compare2.1 - 2.6 GHz2
AMD A4-4355M compare1.9 - 2.4 GHz2
Clock Rate1900 - 2800 MHz
Level 2 Cache4 MB
Number of Cores / Threads4 / 4
Power Consumption (TDP = Thermal Design Power)35 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 7640G (496 - 685 MHz)
64 Bit64 Bit support
Architecturex86
Announcement Date05/15/2012

Benchmarks

3DMark 06 - CPU - 3DMark 06 - CPU
min: 2282     avg: 2406     median: 2438 (13%)     max: 2451 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 34.586     avg: 38.5     median: 40.8 (9%)     max: 41.277 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 78.188     avg: 87.1     median: 91.9 (4%)     max: 93.803 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 2034.03     avg: 2306     median: 2395.7 (11%)     max: 2431.28 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
min: 26660     avg: 27698     median: 26700 (13%)     max: 30470 MIPS
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
min: 18760     avg: 19672     median: 18780 (14%)     max: 23120 MFLOPS
- 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 A8-4500M processor

Acer Aspire V3-551-8458 (AMD Radeon HD 7640G, 15.60")
» Acer Aspire V3-551-8458 - External Review

Asus A55N-SX008 (AMD Radeon HD 7520G, 15.60")
» Asus A55N-SX008 - External Review

Asus K75DE-TY068H (AMD Radeon HD 7640G + HD 7670M Dual Graphics, 17.30")
» Review Asus K75DE Notebook - Review

HP Pavilion m6-1060SM (AMD Radeon HD 7520G, 15.60")
» HP Pavilion m6-1060SM - External Review

HP Pavilion m6-1148ca (AMD Radeon HD 7640G, 15.60")
» HP Pavilion m6-1148ca - External Review

HP ProBook 455 H0W29EA (AMD Radeon HD 8750M, 15.60")
» HP ProBook 455 H0W29EA - External Review

Lenovo Thinkpad Edge E535-NZR5BGE (AMD Radeon HD 7640G, 15.60")
» Review Lenovo Thinkpad Edge E535 Notebook - Review
» Lenovo Thinkpad Edge E535-NZR5BGE - External Review

Lenovo ThinkPad Edge E545-20B2000TGE (AMD Radeon HD 7640G, 15.60")
» Lenovo ThinkPad Edge E545-20B2000TGE - External Review

Samsung Serie 3 355E7C-S05DE (AMD Radeon HD 7640G + HD 7670M Dual Graphics, 17.30")
» Review Samsung Series 3 355E7C-S05DE Notebook - Review

Toshiba Satellite L855D-100 (AMD Radeon HD 7640G, 15.60")
» Toshiba Satellite L855D-100 - External Review

Toshiba Satellite L855D-10K (AMD Radeon HD 7640G + HD 7610M Dual Graphics, 15.60")
» Review Toshiba Satellite L855D-10K Notebook - Review

Toshiba Satellite L855D-S5242 (AMD Radeon HD 7640G, 15.60")
» Toshiba Satellite L855D-S5242 - External Review

Toshiba Satellite L875D-10E (AMD Radeon HD 7640G + HD 7610M Dual Graphics, 17.30")
» Review Toshiba Satellite L875D-10E Notebook - 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 A-Series

» AMD A10-5750M
   4x 2.5 GHz - 3.5 GHz
» AMD A10-5757M
   4x 2.5 GHz - 3.5 GHz
» AMD A10-4600M
   4x 2.3 GHz - 3.2 GHz
» AMD A10-4657M
   4x 2.3 GHz - 3.2 GHz
» AMD A10-5745M
   4x 2.1 GHz - 2.9 GHz
» AMD A8-5550M
   4x 2.1 GHz - 3.1 GHz
» AMD A8-5557M
   4x 2.1 GHz - 3.1 GHz
» AMD A8-7410
   4x 2.2 GHz - 2.5 GHz
» AMD A8-3550MX
   4x 2 GHz - 2.7 GHz
» AMD A8-6410
   4x 2 GHz - 2.4 GHz
» AMD A6-7310
   4x 2 GHz - 2.4 GHz
» AMD A6-6310
   4x 1.8 GHz - 2.4 GHz
» AMD A8-3530MX
   4x 1.9 GHz - 2.6 GHz
» AMD A8-3510MX
   4x 1.8 GHz - 2.5 GHz
» AMD A4-7210
   4x 1.8 GHz - 2.2 GHz
» AMD A6-3430MX
   4x 1.7 GHz - 2.4 GHz
» AMD A8-3520M
   4x 1.6 GHz - 2.5 GHz
» AMD A10-4655M
   4x 2 GHz - 2.8 GHz
» AMD A8-4500M
   4x 1.9 GHz - 2.8 GHz
» AMD A8-4557M
   4x 1.9 GHz - 2.8 GHz
» AMD A6-3410MX
   4x 1.6 GHz - 2.3 GHz
» AMD A8-3500M
   4x 1.5 GHz - 2.4 GHz
» AMD A6-3420M
   4x 1.5 GHz - 2.4 GHz
» AMD A8-5545M
   4x 1.7 GHz - 2.7 GHz
» AMD A6-3400M
   4x 1.4 GHz - 2.3 GHz
» AMD A8-4555M
   4x 1.6 GHz - 2.4 GHz
» AMD A6-5350M
   2x 2.9 GHz - 3.5 GHz
» AMD A6-5357M
   2x 2.9 GHz - 3.5 GHz
» AMD A6-5200
   4x 2 GHz
» AMD A4-3330MX
   2x 2.2 GHz - 2.6 GHz
» AMD A4-5150M
   2x 2.7 GHz - 3.3 GHz
» AMD A6-4400M
   2x 2.7 GHz - 3.2 GHz
» AMD A4-4300M
   2x 2.5 GHz - 3 GHz
» AMD A4-6210
   4x 1.8 GHz
» AMD A4-5100
   4x 1.55 GHz
» AMD A4-5050
   4x 1.55 GHz
» AMD A4-5000
   4x 1.5 GHz
» AMD A10 Micro-6700T
   4x 1.2 GHz - 2.2 GHz
» AMD A4-3310MX
   2x 2.1 GHz - 2.5 GHz
» AMD A4-3320M
   2x 2 GHz - 2.6 GHz
» AMD E2-3800
   4x 1.3 GHz
» AMD A4-3300M
   2x 1.9 GHz - 2.5 GHz
» AMD A4-3305M
   2x 1.9 GHz - 2.5 GHz
» AMD A6-5345M
   2x 2.2 GHz - 2.8 GHz
» AMD A6-1450
   4x 1 GHz - 1.4 GHz
» AMD A4 Micro-6400T
   4x 1 GHz - 1.6 GHz
» AMD A6-4455M
   2x 2.1 GHz - 2.6 GHz
» AMD A4-5145M
   2x 2 GHz - 2.6 GHz
» AMD A4-4355M
   2x 1.9 GHz - 2.4 GHz
» AMD A4-1350
   4x 1 GHz
» AMD A4-1250
   2x 1 GHz
» AMD A4-1200
   2x 1 GHz

Surrounding CPUs

+ Intel Core 2 Duo SP9300
   2x 2.26 GHz
+ Intel Core i7-660UM
   2x 1.33 GHz - 2.4 GHz
+ AMD A8-3520M
   4x 1.6 GHz - 2.5 GHz
+ AMD A6-9210
   2x 2.4 GHz - 2.8 GHz
+ AMD A10-4655M
   4x 2 GHz - 2.8 GHz
» AMD A8-4500M
   4x 1.9 GHz - 2.8 GHz
- AMD A8-4557M
   4x 1.9 GHz - 2.8 GHz
- Intel Core 2 Duo P8400
   2x 2.26 GHz
- AMD Phenom II X4 P960
   4x 1.8 GHz
- AMD A6-3410MX
   4x 1.6 GHz - 2.3 GHz
- AMD A8-3500M
   4x 1.5 GHz - 2.4 GHz
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Klaus Hinum (Update: 2017-09- 5)