AMD Radeon 660M vs AMD Radeon HD 7640G + HD 7670M Dual Graphics

Comparative analysis of AMD Radeon 660M and AMD Radeon HD 7640G + HD 7670M Dual Graphics videocards for all known characteristics in the following categories: Essentials, Technical info, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: Geekbench - OpenCL, PassMark - G3D Mark, PassMark - G2D Mark, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the AMD Radeon 660M

  • Videocard is newer: launch date 9 year(s) 7 month(s) later
  • 2.3x more core clock speed: 1500 MHz vs 655 / 600 MHz
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 6 nm vs 32 / 40 nm
  • Around 64% better performance in Geekbench - OpenCL: 13825 vs 8444
Specifications (specs)
Launch date 4 Jan 2022 vs 15 May 2012
Core clock speed 1500 MHz vs 655 / 600 MHz
Manufacturing process technology 6 nm vs 32 / 40 nm
Benchmarks
Geekbench - OpenCL 13825 vs 8444

Reasons to consider the AMD Radeon HD 7640G + HD 7670M Dual Graphics

  • Around 92% higher pipelines: 736 vs 384
Pipelines 736 vs 384

Compare benchmarks

GPU 1: AMD Radeon 660M
GPU 2: AMD Radeon HD 7640G + HD 7670M Dual Graphics

Geekbench - OpenCL
GPU 1
GPU 2
13825
8444
Name AMD Radeon 660M AMD Radeon HD 7640G + HD 7670M Dual Graphics
Geekbench - OpenCL 13825 8444
PassMark - G3D Mark 519
PassMark - G2D Mark 97
GFXBench 4.0 - Car Chase Offscreen (Frames) 157
GFXBench 4.0 - Car Chase Offscreen (Fps) 157
GFXBench 4.0 - Manhattan (Frames) 2097
GFXBench 4.0 - Manhattan (Fps) 2097
GFXBench 4.0 - T-Rex (Frames) 3361
GFXBench 4.0 - T-Rex (Fps) 3361

Compare specifications (specs)

AMD Radeon 660M AMD Radeon HD 7640G + HD 7670M Dual Graphics

Essentials

Architecture RDNA 2.0 Terascale 3
Code name Rembrandt
Launch date 4 Jan 2022 15 May 2012
Place in performance rating 1341 1338
Type Laptop

Technical info

Boost clock speed 1900 MHz
Compute units 6
Core clock speed 1500 MHz 655 / 600 MHz
Manufacturing process technology 6 nm 32 / 40 nm
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
Pipelines 384 736
Pixel fill rate 30.40 GPixel/s
Texture fill rate 45.60 GTexel/s
Thermal Design Power (TDP) 15 Watt
Transistor count 13100 million

Compatibility, dimensions and requirements

Form factor IGP
Interface PCIe 4.0 x8
Laptop size medium sized

API support

DirectX 12.2 11
OpenCL 2.0
OpenGL 4.6
Shader Model 6.7
Vulkan

Memory

Memory bus width 128 Bit
Memory clock speed 1800 MHz
Shared memory 1