ATI Mobility Radeon HD 5450 vs NVIDIA GeForce 7900 GT

Comparative analysis of ATI Mobility Radeon HD 5450 and NVIDIA GeForce 7900 GT 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 - G3D Mark, PassMark - G2D Mark, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the ATI Mobility Radeon HD 5450

  • Videocard is newer: launch date 3 year(s) 9 month(s) later
  • Around 50% higher core clock speed: 675 MHz vs 450 MHz
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 90 nm
  • 4.4x lower typical power consumption: 11 Watt vs 48 Watt
  • 4x more maximum memory size: 1 GB vs 256 MB
  • Around 21% higher memory clock speed: 1600 MHz vs 1320 MHz
  • 2x better performance in PassMark - G2D Mark: 320 vs 160
Specifications (specs)
Launch date 7 January 2010 vs 9 March 2006
Core clock speed 675 MHz vs 450 MHz
Manufacturing process technology 40 nm vs 90 nm
Thermal Design Power (TDP) 11 Watt vs 48 Watt
Maximum memory size 1 GB vs 256 MB
Memory clock speed 1600 MHz vs 1320 MHz
Benchmarks
PassMark - G2D Mark 320 vs 160

Reasons to consider the NVIDIA GeForce 7900 GT

  • 2x more texture fill rate: 10.8 GTexel / s vs 5.4 GTexel / s
  • Around 21% better performance in PassMark - G3D Mark: 258 vs 214
Specifications (specs)
Texture fill rate 10.8 GTexel / s vs 5.4 GTexel / s
Benchmarks
PassMark - G3D Mark 258 vs 214

Compare benchmarks

GPU 1: ATI Mobility Radeon HD 5450
GPU 2: NVIDIA GeForce 7900 GT

PassMark - G3D Mark
GPU 1
GPU 2
214
258
PassMark - G2D Mark
GPU 1
GPU 2
320
160
Name ATI Mobility Radeon HD 5450 NVIDIA GeForce 7900 GT
PassMark - G3D Mark 214 258
PassMark - G2D Mark 320 160
GFXBench 4.0 - T-Rex (Frames) 299
GFXBench 4.0 - T-Rex (Fps) 299

Compare specifications (specs)

ATI Mobility Radeon HD 5450 NVIDIA GeForce 7900 GT

Essentials

Architecture TeraScale 2 Curie
Code name Park G71
Launch date 7 January 2010 9 March 2006
Place in performance rating 1017 1020
Type Laptop Desktop

Technical info

Core clock speed 675 MHz 450 MHz
Floating-point performance 108 gflops
Manufacturing process technology 40 nm 90 nm
Pipelines 80
Texture fill rate 5.4 GTexel / s 10.8 GTexel / s
Thermal Design Power (TDP) 11 Watt 48 Watt
Transistor count 292 million 278 million

Video outputs and ports

Display Connectors No outputs 2x DVI, 1x S-Video

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16 PCIe 1.0 x16
Supplementary power connectors 1x 6-pin

API support

DirectX 11.2 (11_0) 9.0c
OpenGL 4.4 2.1

Memory

Maximum RAM amount 1 GB 256 MB
Memory bandwidth 12.8 GB / s 42.2 GB / s
Memory bus width 64 Bit 256 Bit
Memory clock speed 1600 MHz 1320 MHz
Memory type DDR3 GDDR3
Shared memory 0