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AMD A10-4655M vs AMD A8-4555M

AMD A10-4655M

► remove from comparison 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.

AMD A8-4555M

► remove from comparison 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.

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 A8-4555M 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.

The 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.

AMD A10-4655MAMD A8-4555M
AMD A-SeriesAMD A-Series
TrinityTrinity
Series: A-Series Trinity
AMD A10-4600M compare2.3 - 3.2 GHz4 / 4
AMD A10-4657M compare2.3 - 3.2 GHz4 / 4
» AMD A10-4655M2 - 2.8 GHz4 / 4
AMD A8-4500M compare1.9 - 2.8 GHz4 / 4
AMD A8-4557M compare1.9 - 2.8 GHz4 / 4
AMD A8-4555M1.6 - 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
AMD A10-4600M compare2.3 - 3.2 GHz4 / 4
AMD A10-4657M compare2.3 - 3.2 GHz4 / 4
AMD A10-4655M2 - 2.8 GHz4 / 4
AMD A8-4500M compare1.9 - 2.8 GHz4 / 4
AMD A8-4557M compare1.9 - 2.8 GHz4 / 4
» AMD A8-4555M1.6 - 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
2000 - 2800 MHz1600 - 2400 MHz
4 MB4 MB
4 / 44 / 4
25 19
1303 1303
32 32
246 mm2246 mm2
SSE (1, 2, 3, 3S, 4.1, 4.2, 4A), x86-64, AES, AVX, FMASSE (1, 2, 3, 3S, 4.1, 4.2, 4A), x86-64, AES, AVX, FMA
iGPUAMD Radeon HD 7620G (360 - 497 MHz)AMD Radeon HD 7600G (320 - 424 MHz)
Architecturex86x86

Benchmarks

Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
1.7 Points (3%)
min: 0.78     avg: 1.1     median: 1.2 (2%)     max: 1.24 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
0.5 Points (17%)
min: 0.42     avg: 0.5     median: 0.4 (14%)     max: 0.57 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
1137 (10%)
min: 1382     avg: 1507     median: 1555 (14%)     max: 1583
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
4530 (7%)
min: 3681     avg: 3753     median: 3757 (6%)     max: 3821
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
6495 Points (6%)
min: 3491     avg: 4832     median: 5170.5 (5%)     max: 5494 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
2280 Points (16%)
min: 1593     avg: 1871     median: 1891 (13%)     max: 2109 Points
wPrime 2.10 - wPrime 2.0 1024m *
1280 s (15%)
min: 1230     avg: 1265     median: 1282 (15%)     max: 1284 s
wPrime 2.10 - wPrime 2.0 32m *
40 s (8%)
min: 37     avg: 41.6     median: 40.2 (8%)     max: 47.7 s
WinRAR - WinRAR 4.0
1263 (8%)
min: 1468     avg: 1937     median: 1936.5 (12%)     max: 2405
X264 HD Benchmark 4.0 - x264 Pass 2
min: 3.06     avg: 4.2     median: 4.2 (2%)     max: 5.35 fps
X264 HD Benchmark 4.0 - x264 Pass 1
min: 13.615     avg: 20.9     median: 20.9 (6%)     max: 28.18 fps
TrueCrypt - TrueCrypt Serpent
0.1 GB/s (5%)
min: 0.091     avg: 0.1     median: 0.1 (4%)     max: 0.094 GB/s
TrueCrypt - TrueCrypt Twofish
0.2 GB/s (6%)
min: 0.163     avg: 0.2     median: 0.2 (5%)     max: 0.171 GB/s
TrueCrypt - TrueCrypt AES
0.9 GB/s (4%)
min: 0.81     avg: 0.8     median: 0.8 (3%)     max: 0.822 GB/s
3DMark 06 - CPU - 3DMark 06 - CPU
min: 2153     avg: 2161     median: 2160.5 (12%)     max: 2168 Points
min: 1197     avg: 1720     median: 1876.5 (10%)     max: 1928 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
22 s (5%)
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
80 s (3%)
min: 92     avg: 93.7     median: 94 (4%)     max: 95 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
2077 s (9%)
min: 2456     avg: 2523     median: 2491 (11%)     max: 2621 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
min: 12110     avg: 20422     median: 24156 (11%)     max: 25000 MIPS
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
min: 9000     avg: 13711     median: 15750 (12%)     max: 16384 MFLOPS
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
5259 Points (6%)
min: 3310     avg: 3527     median: 3526.5 (4%)     max: 3743 Points
3DMark 11 - 3DM11 Performance Physics
2236 Points (8%)
min: 1097     avg: 1531     median: 1654 (6%)     max: 1719 Points
3DMark - 3DMark Ice Storm Physics
19991 Points (13%)
3DMark - 3DMark Cloud Gate Physics
1223 Points (3%)
3DMark - 3DMark Fire Strike Standard Physics
2102 Points (5%)

Average Benchmarks AMD A10-4655M → 100% n=18

Average Benchmarks AMD A8-4555M → 92% n=18

- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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v1.16
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#3 did not recreate cache, as it is less than 5 days old! Created at Tue, 27 Jul 2021 13:08:35 +0200 +0s ... 0s

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#11 min, max, avg, median took s +0.016s ... 0.046s

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Redaktion, 2017-09- 8 (Update: 2017-09-11)