AMD A8-4555M
The AMD A8-4555M is a mobile ultra-low-voltage (ULV) quad-core processor based on the Trinity architecture. Officially introduced in Q4 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 1.6 GHz CPU (up to 2.4 GHz w/ Turbo Core) with a relatively fast Radeon HD 7600G 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 A8-4555M 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.performance , the A8-4555M performs somewhere between the ULV Pentium and Core i3 series from Intel. Because of the lower frequency, the A8-4555M is 15 - 20 % slower than the A10-4655M (25 W TDP). Nonetheless, CPU performance of the AMD processor is sufficient for all daily workloads like Office, Internet browsing and even light video editing or gaming.
The APU integrates a DirectX 11-compatible GPU called Radeon HD 7600G power consumption of the A8-4555M APU is rated at 19 Watt TDP and therefore comparable to Intels ULV-processors. Consequently, the A8-4555M is best suited for thin-and-light notebooks.
Series AMD A-Series Codename Trinity Series: A-Series Trinity Clock Rate 1600 - 2400 MHz Level 2 Cache 4 MB Number of Cores / Threads 4 / 4 Power Consumption (TDP = Thermal Design Power) 19 Watt Transistor Count 1303 Million Manufacturing Technology 32 nm Die Size 246 mm2 Features SSE (1, 2, 3, 3S, 4.1, 4.2, 4A), x86-64, AES, AVX, FMA GPU AMD Radeon HD 7600G (320 - 424 MHz)64 Bit 64 Bit support Architecture x86 Announcement Date 10/01/2012
Benchmarks Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 0.78 avg: 1.1 median: 1.2 (2%) max: 1.24 Points
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Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 0.42 avg: 0.5 median: 0.4 (11%) max: 0.57 Points
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Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 1382 avg: 1507 median: 1555 (9%) max: 1583 points
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Intel Pentium M 740
Intel Pentium M 735
Intel Core 2 Duo T5450
Intel Pentium Dual Core T2330
Intel Core Duo T2250
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Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 3681 avg: 3753 median: 3757 (3%) max: 3821 points
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Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 3491 avg: 4832 median: 5170.5 (4%) max: 5494 Points
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Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 1593 avg: 1871 median: 1891 (10%) max: 2109 Points
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wPrime 2.10 - wPrime 2.0 1024m *
min: 1230 avg: 1265 median: 1282 (15%) max: 1284 s
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VIA C3-M C3-M-1200
wPrime 2.10 - wPrime 2.0 32m *
min: 37 avg: 41.6 median: 40.2 (8%) max: 47.7 s
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min: 1468 avg: 1937 median: 1936.5 (4%) max: 2405 points
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X264 HD Benchmark 4.0 - x264 Pass 2
min: 3.06 avg: 4.2 median: 4.2 (2%) max: 5.35 fps
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X264 HD Benchmark 4.0 - x264 Pass 1
min: 13.61 avg: 20.9 median: 20.9 (5%) max: 28.18 fps
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TrueCrypt - TrueCrypt Serpent
min: 0.091 avg: 0.1 median: 0.1 (3%) max: 0.094 GB/s
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TrueCrypt - TrueCrypt Twofish
min: 0.163 avg: 0.2 median: 0.2 (3%) max: 0.171 GB/s
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TrueCrypt - TrueCrypt AES
min: 0.81 avg: 0.8 median: 0.8 (2%) max: 0.822 GB/s
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3DMark 06 - CPU - 3DMark 06 - CPU
min: 1197 avg: 1720 median: 1876.5 (4%) max: 1928 Points
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Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
41 s (9%)
...
Intel Pentium M 765
Intel Celeron M 430
Intel Pentium M 760
AMD Turion 64 MK-38
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VIA C3-M C3-M-1200
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 92 avg: 93.7 median: 94 (4%) max: 95 s
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Intel Pentium M 770
Intel Pentium M 755
Intel Pentium M 780
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Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 2456 avg: 2523 median: 2491 (11%) max: 2621 s
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Intel Mobile Pentium 4 520
Intel Core Duo T2050
Intel Core Solo U1400
Intel Mobile Pentium 4 552
Intel Pentium M 750
AMD Turion 64 ML-37
Intel Core Duo U2500
Intel Core Solo U1500
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VIA C3-M C3-M-1200
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
min: 12110 avg: 20422 median: 24156 (11%) max: 25000 MIPS
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SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
min: 9000 avg: 13711 median: 15750 (12%) max: 16384 MFLOPS
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3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 3310 avg: 3527 median: 3526.5 (3%) max: 3743 Points
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3DMark 11 - 3DM11 Performance Physics
min: 1097 avg: 1531 median: 1654 (4%) max: 1719 Points
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- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
v1.25
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#8 min, max, avg, median took s +0.342s ... 0.374s
#9 return log +0.022s ... 0.396s
Reviews for the AMD A8-4555M processor
Review Toshiba Satellite S955D-S5150 Notebook Slimmer, lighter, better? Toshiba has placed their notebooks on a diet in the latest update to the S-series. But does the sleeker form factor translate to a bet...
AMD A8-4555M | AMD Radeon HD 7600G | 15.60" | 2.3 kg
Review HP Pavilion Sleekbook 15z-b000 Notebook Ultra-affordable, semi-ultraportable. Hewlett-Packard’s latest 15-inch budget notebook is a slim one indeed—and it’s hard to find fault in its price. But is the...
AMD A8-4555M | AMD Radeon HD 7600G | 15.60" | 2.1 kg
Review Asus VivoBook U38DT Subnotebook Flat beauty. The VivoBook U38DT is a 13-inch subnotebook that is powered by a Trinity processor and the brand new Radeon HD 8550M from AMD. The ultra-thin const...
AMD A8-4555M | AMD Radeon HD 8550M | 13.30" | 1.6 kg
Review Lenovo IdeaPad S405 Notebook Couch potato. Lenovo's IdeaPad S405 comes with a Trinity quad-core and a light case and is very quiet. But, how do its dark glare-type display and its 32 Wh bat...
AMD A8-4555M | AMD Radeon HD 7600G | 14.00" | 1.6 kg
Asus VivoBook U38N-C4010H : AMD Radeon HD 7600G, 13.30", 1.6 kgExternal Review » Asus VivoBook U38N-C4010H
HP Pavilion TouchSmart 15-b168ca : AMD Radeon HD 7600G, 11.60", 2.5 kgExternal Review » HP Pavilion TouchSmart 15-b168ca
Toshiba Satellite L955D-S5140NR : AMD Radeon HD 7600G, 15.60", 2.3 kgExternal Review » Toshiba Satellite L955D-S5140NR
Asus VivoBook U38DT-R3001H : AMD Radeon HD 8550M, 13.30", 1.6 kgExternal Review » Asus VivoBook U38DT-R3001H
HP Pavilion Sleekbook 15z-b000 : AMD Radeon HD 7600G, 15.60", 2.1 kgExternal Review » HP Pavilion Sleekbook 15z-b000
Acer Aspire V5-551 : AMD Radeon HD 7600G, 15.60", 2.2 kgExternal Review » Acer Aspire V5-551
Lenovo IdeaPad S405 : AMD Radeon HD 7600G, 14.00", 1.6 kgExternal Review » Lenovo IdeaPad S405
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Klaus Hinum (Update: 2017-09- 5)
- Average benchmark values for this graphics card
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