AMD Ryzen 7 4700U vs AMD Ryzen 7 4800U

AMD Ryzen 7 4700U

► remove AMD 4700U

The AMD Ryzen 7 4700U is a processor for thin and light laptops based on the Renoir architecture. The 4700U integrates all eight cores based on the Zen 2 microarchitecture. They are clocked at 2 (guaranteed base clock) to 4 GHz (Turbo) without SMT / Hyperthreading support (8 threads). The chip is manufactured in the modern 7 nm process at TSMC and partly thanks to it AMD advertises a 2x improved performance per Watt for the Renoir chips. Compared to the faster R7 4800U, the 4700U offers a slightly lower boost clock speed and does not support SMT / Hyperthreading.

Due to the missing SMT and slightly lower boost clock, the Ryzen 7 4700U should be a bit slower than the Ryzen 8 4800U (fastest 15W model at launch). Therefore, it should still beat the Intel Core i7-1065G7 (Ice Lake, 4 cores, 3.9 GHz) in multi-threaded loads easily. The single core performance should be similar (as the 4800U is 4% faster compared to the i7 in Cinebench R20 according to AMD). Therefore, the R7 4700U is one of the fastest 15W processors, if the cooling of the laptop is sufficient.

In addition to the eight CPU cores, the APU also integrates a Radeon RX Vega 7 integrated graphics card with 7 CUs and up to 1600 MHz. The dual channel memory controller supports DDR4-3200 and energy efficient LPDDR4-4266 RAM. Furthermore, 8 MB level 3 cache can be found on the chip. See our hub page on the Renoir Processors for more information.

The TDP of the APU is specified at 15 Watt (default) and can be configured from 10 to 25 Watt by the laptop vendor. That means the chip is intended for thin and light laptops (but with fans).

AMD Ryzen 7 4800U

► remove AMD 4800U

The AMD Ryzen 7 4800U is a processor for thin and light laptops based on the Renoir architecture. The 4800U integrates all eight cores based on the Zen 2 microarchitecture. They are clocked at 1.8 (guaranteed base clock) to 4.2 GHz (Turbo) and support SMT / Hyperthreading (16 threads). The chip is manufactured in the modern 7 nm process at TSMC and partly thanks to it AMD advertises a 2x improved performance per Watt for the Renoir chips. Compared to the similar named Ryzen 7 4800H, the 4800U offers a lower TDP (15 versus 45 Watt) and base clock (1.8 versus 2.9 GHz).

According to AMD, the Ryzen 7 4800U is 4% faster in Cinebench R20 single thread test and 90 % faster in the multithreaded test compared to the fast Intel Core i7-1065G7 (Ice Lake, 4 cores, 3.9 GHz). This means the CPU should be one of the fastest processors in the 15 Watt TDP range and well suited for demanding tasks. The sustained performance however ist strongly depending on the cooling system and the TDP settings of the laptop.

In addition to the eight CPU cores, the APU also integrates a Radeon RX Vega 8 integrated graphics card with 8 CUs and up to 1750 MHz. The dual channel memory controller supports DDR4-3200 and energy efficient LPDDR4-4266 RAM. Furthermore, 8 MB level 3 cache can be found on the chip. See our hub page on the Renoir Processors for more information.

The TDP of the APU is specified at 15 Watt (default) and can be configured from 10 to 25 Watt by the laptop vendor. That means the chip is intended for thin and light laptops (but with fans).

AMD Ryzen 7 4700UAMD Ryzen 7 4800U
AMD Renoir (Ryzen 4000 APU)AMD Renoir (Ryzen 4000 APU)
Renoir (Zen 2)Renoir (Zen 2)
: Renoir (Ryzen 4000 APU) Renoir (Zen 2)
AMD Ryzen 9 4900H (compare)3300 - 4400 MHz8 / 1612 MB
AMD Ryzen 9 4900HS (compare)3000 - 4300 MHz8 / 1612 MB
AMD Ryzen 7 4800H (compare)2900 - 4200 MHz8 / 1612 MB
AMD Ryzen 7 4800HS (compare)2900 - 4200 MHz8 / 1612 MB
AMD Ryzen 5 4600H (compare)3000 - 4000 MHz6 / 1211 MB
AMD Ryzen 5 4600HS (compare)3000 - 4000 MHz6 / 1211 MB
AMD Ryzen 7 4800U1800 - 4200 MHz8 / 168 MB
» AMD Ryzen 7 4700U2000 - 4100 MHz8 / 812 MB
AMD Ryzen 5 4600U (compare)2100 - 4000 MHz6 / 1211 MB
AMD Ryzen 5 4500U (compare)2300 - 4000 MHz6 / 611 MB
AMD Ryzen 3 4300U (compare)2700 - 3700 MHz4 / 44 MB
AMD Ryzen 9 4900H (compare)3300 - 4400 MHz8 / 1612 MB
AMD Ryzen 9 4900HS (compare)3000 - 4300 MHz8 / 1612 MB
AMD Ryzen 7 4800H (compare)2900 - 4200 MHz8 / 1612 MB
AMD Ryzen 7 4800HS (compare)2900 - 4200 MHz8 / 1612 MB
AMD Ryzen 5 4600H (compare)3000 - 4000 MHz6 / 1211 MB
AMD Ryzen 5 4600HS (compare)3000 - 4000 MHz6 / 1211 MB
» AMD Ryzen 7 4800U1800 - 4200 MHz8 / 168 MB
AMD Ryzen 7 4700U2000 - 4100 MHz8 / 812 MB
AMD Ryzen 5 4600U (compare)2100 - 4000 MHz6 / 1211 MB
AMD Ryzen 5 4500U (compare)2300 - 4000 MHz6 / 611 MB
AMD Ryzen 3 4300U (compare)2700 - 3700 MHz4 / 44 MB
2000 - 4100 MHz1800 - 4200 MHz
12 MB8 MB
8 / 88 / 16
15 15
7 7
105 °C105 °C
FP6FP6
XFR, FMA3, SSE 4.2, AVX2, SMTXFR, FMA3, SSE 4.2, AVX2, SMT
iGPUAMD Radeon RX Vega 7 ( - 1600 MHz)AMD Radeon RX Vega 8 (Ryzen 4000) ( - 1750 MHz)
AMD Renoir (Ryzen 4000 APU) 4700UAMD Renoir (Ryzen 4000 APU) 4800U

Cinebench R20 - CPU (Single Core)
472 Points (259%)
479 Points (263%)
Cinebench R20 - CPU (Multi Core)
2647 Points (473%)
3306 Points (590%)
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-
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2017-09-11)