AMD Radeon 740M vs AMD Radeon 660M

Comparative analysis of AMD Radeon 740M and AMD Radeon 660M videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL.

 

Differences

Reasons to consider the AMD Radeon 740M

  • Videocard is newer: launch date 1 year(s) 0 month(s) later
  • Around 32% higher boost clock speed: 2500 MHz vs 1900 MHz
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 6 nm
Launch date 4 Jan 2023 vs 4 Jan 2022
Boost clock speed 2500 MHz vs 1900 MHz
Manufacturing process technology 4 nm vs 6 nm

Reasons to consider the AMD Radeon 660M

  • Around 14% higher texture fill rate: 45.60 GTexel/s vs 40.00 GTexel/s
  • Around 50% higher pipelines: 384 vs 256
  • Around 33% better performance in Geekbench - OpenCL: 13432 vs 10125
Specifications (specs)
Texture fill rate 45.60 GTexel/s vs 40.00 GTexel/s
Pipelines 384 vs 256
Benchmarks
Geekbench - OpenCL 13432 vs 10125

Compare benchmarks

GPU 1: AMD Radeon 740M
GPU 2: AMD Radeon 660M

Geekbench - OpenCL
GPU 1
GPU 2
10125
13432
Name AMD Radeon 740M AMD Radeon 660M
PassMark - G2D Mark 811
PassMark - G3D Mark 3209
Geekbench - OpenCL 10125 13432

Compare specifications (specs)

AMD Radeon 740M AMD Radeon 660M

Essentials

Architecture RDNA 3.0 RDNA 2.0
Code name Phoenix Rembrandt
Launch date 4 Jan 2023 4 Jan 2022
Place in performance rating 236 1349

Technical info

Boost clock speed 2500 MHz 1900 MHz
Compute units 4 6
Core clock speed 1500 MHz 1500 MHz
Manufacturing process technology 4 nm 6 nm
Pipelines 256 384
Pixel fill rate 20.00 GPixel/s 30.40 GPixel/s
Texture fill rate 40.00 GTexel/s 45.60 GTexel/s
Thermal Design Power (TDP) 15 Watt 15 Watt
Transistor count 25390 million 13100 million
Peak Double Precision (FP64) Performance 91.20 GFLOPS (1:16)
Peak Half Precision (FP16) Performance 2.918 TFLOPS (2:1)
Peak Single Precision (FP32) Performance 1459 GFLOPS

Video outputs and ports

Display Connectors Portable Device Dependent

Compatibility, dimensions and requirements

Form factor IGP IGP
Interface PCIe 4.0 x8 PCIe 4.0 x8
Supplementary power connectors None

API support

DirectX 12 Ultimate (12_2) 12.2
OpenCL 2.1 2.0
OpenGL 4.6 4.6
Shader Model 6.7 6.7
Vulkan

Memory

Maximum RAM amount System Shared
Memory bandwidth System Dependent
Memory bus width System Shared
Memory clock speed System Shared
Memory type System Shared