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).

AMD Radeon 660M

AMD Radeon HD 7640G + HD 7670M Dual Graphics

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 63% better performance in Geekbench - OpenCL: 13767 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	13767 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

13767

8444

Name	AMD Radeon 660M	AMD Radeon HD 7640G + HD 7670M Dual Graphics
Geekbench - OpenCL	13767	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	1339
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