AMD Radeon 660M vs NVIDIA GeForce 7900 GTX

Comparative analysis of AMD Radeon 660M and NVIDIA GeForce 7900 GTX videocards for all known characteristics in the following categories: Essentials, Technical info, Compatibility, dimensions and requirements, API support, Video outputs and ports, Memory. Benchmark videocards performance analysis: Geekbench - OpenCL, PassMark - G3D Mark, PassMark - G2D Mark, 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 15 year(s) 9 month(s) later
  • 2.3x more core clock speed: 1500 MHz vs 650 MHz
  • 2923.1x more texture fill rate: 45.60 GTexel/s vs 15.6 GTexel / s
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 6 nm vs 90 nm
  • 5.6x lower typical power consumption: 15 Watt vs 84 Watt
Launch date 4 Jan 2022 vs 9 March 2006
Core clock speed 1500 MHz vs 650 MHz
Texture fill rate 45.60 GTexel/s vs 15.6 GTexel / s
Manufacturing process technology 6 nm vs 90 nm
Thermal Design Power (TDP) 15 Watt vs 84 Watt

Compare benchmarks

GPU 1: AMD Radeon 660M
GPU 2: NVIDIA GeForce 7900 GTX

Name AMD Radeon 660M NVIDIA GeForce 7900 GTX
Geekbench - OpenCL 14039
PassMark - G3D Mark 388
PassMark - G2D Mark 165
GFXBench 4.0 - T-Rex (Frames) 1015
GFXBench 4.0 - T-Rex (Fps) 1015

Compare specifications (specs)

AMD Radeon 660M NVIDIA GeForce 7900 GTX

Essentials

Architecture RDNA 2.0 Curie
Code name Rembrandt G71
Launch date 4 Jan 2022 9 March 2006
Place in performance rating 1335 1334
Type Desktop

Technical info

Boost clock speed 1900 MHz
Compute units 6
Core clock speed 1500 MHz 650 MHz
Manufacturing process technology 6 nm 90 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
Pixel fill rate 30.40 GPixel/s
Texture fill rate 45.60 GTexel/s 15.6 GTexel / s
Thermal Design Power (TDP) 15 Watt 84 Watt
Transistor count 13100 million 278 million

Compatibility, dimensions and requirements

Form factor IGP
Interface PCIe 4.0 x8 PCIe 1.0 x16
Supplementary power connectors 1x 6-pin

API support

DirectX 12.2 9.0c
OpenCL 2.0
OpenGL 4.6 2.1
Shader Model 6.7
Vulkan

Video outputs and ports

Display Connectors 2x DVI, 1x S-Video

Memory

Maximum RAM amount 512 MB
Memory bandwidth 51.2 GB / s
Memory bus width 256 Bit
Memory clock speed 1600 MHz
Memory type GDDR3