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AMD A6-4400M vs AMD A6-4455M

AMD A6-4400M

► remove from comparison AMD A6-4400M

The AMD A6-4400M is a mobile dual-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 2.7 GHz CPU (up to 3.2 GHz w/ Turbo Core) with a Radeon HD 7520G 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 dual-core processor, the A6-4400M includes only one module with two integer-cores and one floating-point core. As a result, the CPU is not a true dual-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 A6-4400M performs similar to the Llano-based A4-3330MX. Single-threaded workloads can especially benefit from the new architecture and the updated Turbo Core functionality. If compared to Intels Pentium-series, the A6-4400M offers less performance in most cases. Nonetheless, CPU performance from the AMD processor should be sufficient for all daily workloads like Office and Internet browsing, but will reach its limits in more demanding applications.

The integrated DirectX 11-compatible Radeon HD 7520G offers only 192 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 7520G GPU should be somewhere between the Llano-based Radeon HD 6620G and the HD Graphics 4000 as found in Intel’s Ivy Bridge.

The power consumption of the A6-4400M APU is rated at 35 Watt TDP and is therefore comparable to dual-core Ivy Bridge processors. Consequently, the A6-4400M is best suited for 14-inch notebooks or larger.

AMD A6-4455M

► remove from comparison AMD A6-4455M

The AMD A6-4455M is a mobile ultra-low-voltage (ULV) dual-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 2.1 GHz CPU (up to 2.6 GHz w/ Turbo Core) with a Radeon HD 7500G 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 dual-core processor, the A6-4455M includes only one module with two integer-cores and and floating-point core. As a result, the CPU is not a true dual-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 A6-4455M performs significantly faster than the E-Series (e.g. E2-1800), but cannot compete with Intels ULV processors. Nonetheless, CPU performance from the AMD processor should be sufficient for all daily workloads like Office and Internet browsing, but will reach its limits in more demanding applications and multitasking.

The integrated DirectX 11-compatible Radeon HD 7500G offers only 256 shader cores of the Trinity chip (7660G: 384) 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 7500G GPU should be somewhere between the Llano-based Radeon HD 6620G and the HD Graphics 4000 as found in Intel’s Ivy Bridge.

The power consumption of the A6-4455M APU is rated at 17 Watt TDP and is therefore comparable to Intels ULV-processors. Consequently, the A6-4455M is best suited for thin-and-light notebooks.

AMD A6-4400MAMD A6-4455M
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 A10-4655M compare2 - 2.8 GHz4 / 4
AMD A8-4500M compare1.9 - 2.8 GHz4 / 4
AMD A8-4557M compare1.9 - 2.8 GHz4 / 4
AMD A8-4555M compare1.6 - 2.4 GHz4 / 4
» AMD A6-4400M2.7 - 3.2 GHz2
AMD A4-4300M compare2.5 - 3 GHz2
AMD A6-4455M2.1 - 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 A10-4655M compare2 - 2.8 GHz4 / 4
AMD A8-4500M compare1.9 - 2.8 GHz4 / 4
AMD A8-4557M compare1.9 - 2.8 GHz4 / 4
AMD A8-4555M compare1.6 - 2.4 GHz4 / 4
AMD A6-4400M2.7 - 3.2 GHz2
AMD A4-4300M compare2.5 - 3 GHz2
» AMD A6-4455M2.1 - 2.6 GHz2
AMD A4-4355M compare1.9 - 2.4 GHz2
2700 - 3200 MHz2100 - 2600 MHz
1 MB2 MB
22
35 17
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 7520G (496 - 685 MHz)AMD Radeon HD 7500G (327 - 424 MHz)
Architecturex86x86

Benchmarks

Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 0.98     avg: 1.1     median: 1.1 (2%)     max: 1.14 Points
min: 0.85     avg: 0.9     median: 0.9 (2%)     max: 0.87 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
0.8 Points (25%)
min: 0.53     avg: 0.6     median: 0.6 (20%)     max: 0.63 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 1829     avg: 2225     median: 2292 (20%)     max: 2384
min: 1594     avg: 1742     median: 1689 (15%)     max: 1943
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 3096     avg: 3344     median: 3407 (5%)     max: 3413
min: 2578     avg: 2594     median: 2601 (4%)     max: 2602
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 4161     avg: 4482     median: 4589 (4%)     max: 4590 Points
min: 3578     avg: 3596     median: 3593.5 (3%)     max: 3620 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 2948     avg: 3063     median: 3069.5 (22%)     max: 3165 Points
min: 2172     avg: 2459     median: 2602 (18%)     max: 2603 Points
wPrime 2.10 - wPrime 2.0 1024m *
min: 1399     avg: 1528     median: 1520.5 (18%)     max: 1672.9 s
min: 1950     avg: 2009     median: 1974.7 (23%)     max: 2103.55 s
wPrime 2.10 - wPrime 2.0 32m *
min: 42     avg: 47.1     median: 46.8 (9%)     max: 52.87 s
min: 58.9     avg: 62     median: 61.8 (12%)     max: 65.179 s
WinRAR - WinRAR 4.0
min: 1070     avg: 1353     median: 1353 (9%)     max: 1636
865 (6%)
X264 HD Benchmark 4.0 - x264 Pass 2
7.6 fps (3%)
5.7 fps (3%)
X264 HD Benchmark 4.0 - x264 Pass 1
38.8 fps (11%)
30.7 fps (9%)
TrueCrypt - TrueCrypt Serpent
min: 0.072     avg: 0.1     median: 0.1 (3%)     max: 0.0778 GB/s
0.1 GB/s (2%)
TrueCrypt - TrueCrypt Twofish
min: 0.128     avg: 0.1     median: 0.1 (3%)     max: 0.135 GB/s
0.1 GB/s (2%)
TrueCrypt - TrueCrypt AES
min: 0.63     avg: 0.7     median: 0.7 (2%)     max: 0.689 GB/s
0.5 GB/s (2%)
3DMark 06 - CPU - 3DMark 06 - CPU
min: 1781     avg: 1800     median: 1804 (10%)     max: 1811 Points
min: 1348     avg: 1359     median: 1358.5 (8%)     max: 1372 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 31     avg: 32.7     median: 31.6 (7%)     max: 36.478 s
min: 37.113     avg: 39.8     median: 37.3 (8%)     max: 45 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 70     avg: 73.3     median: 70.9 (3%)     max: 81.308 s
min: 84.537     avg: 90.7     median: 85.7 (4%)     max: 102 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 1798     avg: 1848     median: 1806.9 (8%)     max: 1979.86 s
min: 2194.03     avg: 2349     median: 2196.1 (10%)     max: 2658 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
18210 MIPS (9%)
min: 15.46     avg: 9615     median: 13880 (7%)     max: 14950 MIPS
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
12380 MFLOPS (9%)
min: 9.24     avg: 6386     median: 9400 (7%)     max: 9748 MFLOPS
Windows 7 Experience Index - Win7 CPU
min: 5.5     avg: 5.6     median: 5.6 (72%)     max: 5.6 Points
min: 4.7     avg: 4.8     median: 4.8 (61%)     max: 4.8 Points
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 3183     avg: 3308     median: 3304 (4%)     max: 3451 Points
min: 2596     avg: 2683     median: 2690.5 (3%)     max: 2756 Points
3DMark 11 - 3DM11 Performance Physics
min: 1193     avg: 1380     median: 1403 (5%)     max: 1512 Points
min: 1127     avg: 1184     median: 1212 (4%)     max: 1214 Points
3DMark - 3DMark Ice Storm Physics
13531 Points (9%)
9415 Points (6%)
3DMark - 3DMark Cloud Gate Physics
1004 Points (3%)
738 Points (2%)
3DMark - 3DMark Fire Strike Standard Physics
957 Points (2%)
Geekbench 2 - 32 Bit - Geekbench Stream
3442 Points (28%)
Geekbench 2 - 32 Bit - Geekbench Memory
2618 Points (24%)
Geekbench 2 - 32 Bit - Geekbench Floating Point
3030 Points (6%)
Geekbench 2 - 32 Bit - Geekbench Integer
2374 Points (5%)
Geekbench 2 - 32 Bit - Geekbench Total Score
min: 2697     avg: 2728     median: 2728 (7%)     max: 2759 Points

Average Benchmarks AMD A6-4400M → 100% n=25

Average Benchmarks AMD A6-4455M → 81% n=25

- 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 Wed, 15 Sep 2021 13:09:12 +0200 +0.001s ... 0.001s

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#6 getting avg benchmarks for device 3101 +0s ... 0.013s

#7 got single benchmarks 3101 +0.014s ... 0.026s

#8 getting avg benchmarks for device 3320 +0s ... 0.027s

#9 got single benchmarks 3320 +0.012s ... 0.038s

#10 got avg benchmarks for devices +0s ... 0.039s

#11 min, max, avg, median took s +0.02s ... 0.059s

#12 return log +0.027s ... 0.086s

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