AMD Ryzen 5 7645HX Benchmark, Test and specs

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The AMD Ryzen 5 7645HX was released in Q1/2023 and has 6 cores. The processor can process 12 threads simultaneously and uses a mainboard with the socket FL1.
AMD Ryzen 5 7645HX

At a glance

Name: AMD Ryzen 5 7645HX
Family: AMD Ryzen 5 (93)
CPU group: AMD Ryzen 7045 (6)
Architecture: Dragon Range (Zen 4)
Technology: 5 nm
Segment: Notebook
Generation: 6
Predecessor: --
Successor: --

CPU Cores and Base Frequency

The AMD Ryzen 5 7645HX has 6 cores. The clock frequency of the AMD Ryzen 5 7645HX is 4.00 GHz (5.00 GHz). An initial performance assessment can be made using the number of CPU cores.

CPU Cores / Threads: 6 / 12
Core architecture: normal
Cores: 6x Zen 4
Hyperthreading / SMT: Yes
Overclocking: Yes
Frequency: 4.00 GHz
Turbo Frequency (1 Core): 5.00 GHz
Turbo Frequency (6 Cores): --

Integrated graphics (iGPU)

The AMD Ryzen 5 7645HX has an integrated graphics that the system can use to efficiently play back videos. The AMD Ryzen 5 7645HX has the AMD Radeon 610M installed, which has 2 streaming multiprocessors (128 shaders).

GPU name: AMD Radeon 610M
GPU frequency: 0.40 GHz
GPU (Turbo): 2.20 GHz
Compute units: 2
Shader: 128
Hardware Raytracing: Yes
Release date: Q3/2022
Max. displays: 3
Generation: 9
Direct X: 12
Technology: 6 nm
Max. GPU Memory: 8 GB
Frame Generation: No

Hardware codec support

Processors with integrated graphics can process video codecs faster. Support for modern codecs can significantly increase system efficiency during video playback.

h265 / HEVC (8 bit): Decode / Encode
h265 / HEVC (10 bit): Decode / Encode
h264: Decode / Encode
VP8: Decode / Encode
VP9: Decode / Encode
AV1: Decode
AVC: Decode / Encode
VC-1: Decode
JPEG: Decode / Encode

Memory & PCIe

The AMD Ryzen 5 7645HX supports a maximum of 128 GB memory. Depending on the mainboard, the processor can use a maximum of 2 (Dual Channel) memory channels. This results in a maximum bandwidth of the main memory of 83.2 GB/s.

Memory type: Memory bandwidth:
DDR5-5200
83.2 GB/s
Max. Memory: 128 GB
Memory channels: 2 (Dual Channel)
ECC: Yes
PCIe: 5.0 x 28
PCIe Bandwidth: 110.3 GB/s

Thermal Management

The AMD Ryzen 5 7645HX has a TDP of 55 W. Based on the TDP, the system manufacturer can and must adapt the cooling solution to the processor.

TDP (PL1 / PBP): 55 W
TDP (PL2): --
TDP up: 75 W
TDP down: 45 W
Tjunction max.: 100 °C

Technical details

Modern production reduces the waste heat of a processor and increases its efficiency. The AMD Ryzen 5 7645HX is made in 5 nm and has 38.00 MB cache.

Technology: 5 nm
Chip design: Chiplet
Socket: FL1
L2-Cache: 6.00 MB
L3-Cache: 32.00 MB
AES-NI: Yes
Operating systems: Windows 10, Windows 11, Linux
Virtualization: AMD-V, SVM
Instruction set (ISA): x86-64 (64 bit)
ISA extensions: SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
Release date: Q1/2023
Release price: --
Part Number: 100-000000872
Documents: Technical data sheet

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Benchmark results

Verified Benchmark results
The benchmark results for the AMD Ryzen 5 7645HX have been carefully checked by us. We only publish benchmark results that have been created by us or that have been submitted by a visitor and then checked by a team member. All results are based on and fullfill our benchmark guidelines.


Cinebench R23 Single-Core

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 7 8840U AMD Ryzen 7 8840U
8C 16T @ 5.10 GHz
1807
Intel Core i7-12700H Intel Core i7-12700H
14C 20T @ 4.70 GHz
1806
Intel Core i7-12700HL Intel Core i7-12700HL
14C 20T @ 4.70 GHz
1806
AMD Ryzen 5 7645HX AMD Ryzen 5 7645HX
6C 12T @ 5.00 GHz
1802
Intel Core i7-1270P Intel Core i7-1270P
12C 16T @ 4.80 GHz
1781
Intel Core Ultra 9 185H Intel Core Ultra 9 185H
16C 22T @ 5.10 GHz
1775
Intel Core i7-1260P Intel Core i7-1260P
12C 16T @ 4.70 GHz
1773

Cinebench R23 Multi-Core

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 7 6800H AMD Ryzen 7 6800H
8C 16T @ 3.80 GHz
13891
AMD Ryzen 9 5900HS Creator Edition AMD Ryzen 9 5900HS Creator Edition
8C 16T @ 4.20 GHz
13875
Intel Core i7-13620H Intel Core i7-13620H
10C 16T @ 4.40 GHz
13861
AMD Ryzen 5 7645HX AMD Ryzen 5 7645HX
6C 12T @ 4.00 GHz
13824
AMD Ryzen Z1 Extreme AMD Ryzen Z1 Extreme
8C 16T @ 3.30 GHz
13766
AMD Ryzen 7 7735HS AMD Ryzen 7 7735HS
8C 16T @ 3.20 GHz
13766
Apple M4 (10-CPU) Apple M4 (10-CPU)
10C 10T @ 0.91 GHz
13682

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Xeon E-2176M Intel Xeon E-2176M
Intel UHD Graphics P630 @ 1.20 GHz
461
Intel Pentium J6426 Intel Pentium J6426
Intel UHD Graphics 32 EUs (Elkhart Lake) @ 0.85 GHz
456
Intel Pentium Silver N6000 Intel Pentium Silver N6000
Intel UHD Graphics 32 EUs (Jasper Lake) @ 0.85 GHz
456
AMD Ryzen 5 7645HX AMD Ryzen 5 7645HX
AMD Radeon 610M @ 2.20 GHz
443
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
AMD Radeon 610M @ 2.20 GHz
443
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
AMD Radeon 610M @ 2.20 GHz
443
AMD Ryzen 7 7745HX AMD Ryzen 7 7745HX
AMD Radeon 610M @ 2.20 GHz
443

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
Apple M1 Max (32-GPU) Apple M1 Max (32-GPU)
12,402 CB R23 MC @ 45 W
275
Intel Core Ultra 9 288V Intel Core Ultra 9 288V
9,300 CB R23 MC @ 34 W
274
Apple M1 Pro (8-CPU) Apple M1 Pro (8-CPU)
9,569 CB R23 MC @ 35 W
273
AMD Ryzen 5 7645HX AMD Ryzen 5 7645HX
13,824 CB R23 MC @ 51 W
270
Intel Core i7-1360P Intel Core i7-1360P
10,422 CB R23 MC @ 39 W
265
Intel Core i5-1345U Intel Core i5-1345U
8,214 CB R23 MC @ 31 W
262
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
26,654 CB R23 MC @ 102 W
261

Benchmarks





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