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.
Series AMD A-Series Codename Trinity Series: A-Series Trinity Clock Rate 1900 - 2800 MHz Level 2 Cache 4 MB Number of Cores / Threads 4 / 4 Power Consumption (TDP = Thermal Design Power) 35 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 7640G (496 - 685 MHz)64 Bit 64 Bit support Architecture x86 Announcement Date 05/15/2012
Benchmarks Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 1.68 avg: 1.7 median: 1.7 (2%) max: 1.76 Points
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Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 0.56 avg: 0.7 median: 0.7 (18%) max: 0.71 Points
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Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 1709 avg: 1804 median: 1820.5 (11%) max: 1862 points
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Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 4536 avg: 4825 median: 4872 (4%) max: 4950 points
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Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 6524 avg: 6770 median: 6795 (5%) max: 6958 Points
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Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 2355 avg: 2476 median: 2475.5 (3%) max: 2593 Points
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wPrime 2.10 - wPrime 2.0 1024m *
min: 1001 avg: 1028 median: 1039 (12%) max: 1039 s
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VIA C3-M C3-M-1200
wPrime 2.10 - wPrime 2.0 32m *
min: 30.61 avg: 31.2 median: 31.5 (6%) max: 31.64 s
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1777 points (3%)
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X264 HD Benchmark 4.0 - x264 Pass 2
10.8 fps (4%)
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X264 HD Benchmark 4.0 - x264 Pass 1
58.4 fps (13%)
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TrueCrypt - TrueCrypt Serpent
0.1 GB/s (4%)
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TrueCrypt - TrueCrypt Twofish
0.2 GB/s (4%)
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TrueCrypt - TrueCrypt AES
1.1 GB/s (3%)
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3DMark 06 - CPU - 3DMark 06 - CPU
min: 2282 avg: 2406 median: 2438 (5%) max: 2451 Points
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Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 34.59 avg: 38.5 median: 40.8 (9%) max: 41.28 s
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Intel Celeron M 530
Intel Core Duo T2050
AMD Mobile Athlon 64 4000+
Intel Core Duo T2250
Intel Pentium Dual Core T2080
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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: 78.2 avg: 87.1 median: 91.9 (4%) max: 93.8 s
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AMD Mobile Athlon 64 4000+
Intel Core Duo T2300
Intel Core Duo T2250
Intel Core 2 Duo L7100
Intel Pentium M 770
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Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 2034 avg: 2306 median: 2396 (11%) max: 2431 s
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AMD Turion 64 MK-36
AMD Mobile Sempron 3800+
Intel Pentium M 760
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VIA C3-M C3-M-1200
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
min: 26660 avg: 27698 median: 26700 (13%) max: 30470 MIPS
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SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
min: 18760 avg: 19672 median: 18780 (14%) max: 23120 MFLOPS
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Windows 7 Experience Index - Win7 CPU
6.7 Points (86%)
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3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 5119 avg: 5399 median: 5348 (5%) max: 5665 Points
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3DMark 11 - 3DM11 Performance Physics
min: 1945 avg: 2213 median: 2243 (6%) max: 2410 Points
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3DMark - 3DMark Ice Storm Physics
min: 18472 avg: 19251 median: 19286 (16%) max: 19813 Points
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3DMark - 3DMark Cloud Gate Physics
min: 1514 avg: 1548 median: 1540 (4%) max: 1600 Points
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3DMark - 3DMark Fire Strike Standard Physics
min: 2129 avg: 2163 median: 2149 (4%) max: 2242 Points
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Geekbench 2 - 32 Bit - Geekbench Stream
min: 4131 avg: 4177 median: 4131 (33%) max: 4270 Points
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Geekbench 2 - 32 Bit - Geekbench Memory
min: 3032 avg: 3107 median: 3032 (27%) max: 3257 Points
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Geekbench 2 - 32 Bit - Geekbench Floating Point
min: 5242 avg: 5272 median: 5242 (10%) max: 5332 Points
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Geekbench 2 - 32 Bit - Geekbench Integer
min: 3925 avg: 3972 median: 3925 (8%) max: 4065 Points
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Geekbench 2 - 32 Bit - Geekbench Total Score
min: 4227 avg: 4274 median: 4227 (11%) max: 4367 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
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Reviews for the AMD A8-4500M processor
Review Asus K75DE Notebook Cheap giant. The Asus K75DE is a 17-inch multimedia contender equipped with an AMD-APU and CrossFire technology. Find out more about the device in the following...
AMD A8-4500M | AMD Radeon HD 7640G + HD 7670M Dual Graphics | 17.30" | 3.1 kg
Review Toshiba Satellite L855D-10K Notebook Blue gloss for beginners. The Toshiba Satellite L855D-10K is supposed to bring a breath of fresh air into the segment of inexpensive multimedia notebooks. Speci...
AMD A8-4500M | AMD Radeon HD 7640G + HD 7610M Dual Graphics | 15.60" | 2.3 kg
Review Samsung Series 3 355E7C-S05DE Notebook 17.3-inch all-rounder. Samsung wakes curiosity for its new 17.3-incher by combining a Radeon dual-graphics solution with a matte screen. This is accompanied by ...
AMD A8-4500M | AMD Radeon HD 7640G + HD 7670M Dual Graphics | 17.30" | 2.8 kg
Review Toshiba Satellite L875D-10E Notebook Affordable DTR laptop with gaming power. Toshiba now offers a 17.3-inch device based on AMD's Trinity platform dubbed Satellite L875D-10E. Featuring a dual grap...
AMD A8-4500M | AMD Radeon HD 7640G + HD 7610M Dual Graphics | 17.30" | 2.7 kg
Review Lenovo Thinkpad Edge E535 Notebook Trinity-ThinkPad. Lenovo expands the Thinkpad Edge series with another model that has AMD parts on the inside. Within the case of the Thinkpad Edge E535 is an A...
AMD A8-4500M | AMD Radeon HD 7640G | 15.60" | 2.4 kg
Lenovo ThinkPad Edge E545-20B2000TGE : AMD Radeon HD 7640G, 15.60", 2.4 kg
External Review » Lenovo ThinkPad Edge E545-20B2000TGE
HP ProBook 455 H0W29EA : AMD Radeon HD 8750M, 15.60", 2.3 kg
External Review » HP ProBook 455 H0W29EA
Lenovo Thinkpad Edge E535-NZR5BGE : AMD Radeon HD 7640G, 15.60", 2.4 kg
External Review » Lenovo Thinkpad Edge E535-NZR5BGE
HP Pavilion m6-1148ca : AMD Radeon HD 7640G, 15.60", 2.4 kg
External Review » HP Pavilion m6-1148ca
Acer Aspire V3-551-8458 : AMD Radeon HD 7640G, 15.60", 2.6 kg
External Review » Acer Aspire V3-551-8458
HP Pavilion m6-1060SM : AMD Radeon HD 7520G, 15.60", 2.4 kg
External Review » HP Pavilion m6-1060SM
Toshiba Satellite L855D-S5242 : AMD Radeon HD 7640G, 15.60", 2.4 kg
External Review » Toshiba Satellite L855D-S5242
Asus A55N-SX008 : AMD Radeon HD 7520G, 15.60", 2.5 kg
External Review » Asus A55N-SX008
Toshiba Satellite L855D-100 : AMD Radeon HD 7640G, 15.60", 2.2 kg
External Review » Toshiba Satellite L855D-100
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Klaus Hinum (Update: 2017-09- 5)