AMD Radeon HD 7950 vs ATI Radeon X1900 GT

Comparative analysis of AMD Radeon HD 7950 and ATI Radeon X1900 GT videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), 3DMark Fire Strike - Graphics Score, PassMark - G3D Mark, PassMark - G2D Mark.

 

Differences

Reasons to consider the AMD Radeon HD 7950

  • Videocard is newer: launch date 5 year(s) 9 month(s) later
  • 13x more texture fill rate: 89.6 GTexel / s vs 6.9 GTexel / s
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 90 nm
  • 12x more maximum memory size: 3 GB vs 256 MB
  • Around 4% higher memory clock speed: 1250 MHz vs 1200 MHz
Launch date 31 January 2012 vs 1 May 2006
Texture fill rate 89.6 GTexel / s vs 6.9 GTexel / s
Manufacturing process technology 28 nm vs 90 nm
Maximum memory size 3 GB vs 256 MB
Memory clock speed 1250 MHz vs 1200 MHz

Reasons to consider the ATI Radeon X1900 GT

  • 4x lower typical power consumption: 75 Watt vs 300 Watt
Thermal Design Power (TDP) 75 Watt vs 300 Watt

Compare benchmarks

GPU 1: AMD Radeon HD 7950
GPU 2: ATI Radeon X1900 GT

Name AMD Radeon HD 7950 ATI Radeon X1900 GT
Geekbench - OpenCL 82144
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 63.74
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1177.395
CompuBench 1.5 Desktop - T-Rex (Frames/s) 5.685
CompuBench 1.5 Desktop - Video Composition (Frames/s) 69.23
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 343.81
GFXBench 4.0 - Car Chase Offscreen (Frames) 7988
GFXBench 4.0 - Manhattan (Frames) 3699
GFXBench 4.0 - T-Rex (Frames) 3359
GFXBench 4.0 - Car Chase Offscreen (Fps) 7988
GFXBench 4.0 - Manhattan (Fps) 3699
GFXBench 4.0 - T-Rex (Fps) 3359
3DMark Fire Strike - Graphics Score 1914
PassMark - G3D Mark 146
PassMark - G2D Mark 409

Compare specifications (specs)

AMD Radeon HD 7950 ATI Radeon X1900 GT

Essentials

Architecture GCN 1.0 R500
Code name Tahiti R580
Design AMD Radeon HD 7000 Series
Launch date 31 January 2012 1 May 2006
Launch price (MSRP) $449
Place in performance rating 525 386
Type Desktop Desktop

Technical info

Boost clock speed 1250 MHz
Compute units 28
Floating-point performance 2,867 gflops
Manufacturing process technology 28 nm 90 nm
Pipelines 1792
Stream Processors 1792
Texture fill rate 89.6 GTexel / s 6.9 GTexel / s
Thermal Design Power (TDP) 300 Watt 75 Watt
Transistor count 4,313 million 384 million
Core clock speed 575 MHz

Video outputs and ports

Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort 2x DVI, 1x S-Video
DisplayPort support
Dual-link DVI support
Eyefinity
HDMI
Number of Eyefinity displays 6
VGA

Compatibility, dimensions and requirements

Bus support PCIe 3.0 x16
Interface PCIe 3.0 x16 PCIe 1.0 x16
Length 267 mm
Supplementary power connectors 2x 6-pin 1x 6-pin

API support

DirectX 11 9.0c
OpenGL 4.5 2.0

Memory

Maximum RAM amount 3 GB 256 MB
Memory bandwidth 240 GB/s 38.4 GB / s
Memory bus width 384 Bit 256 Bit
Memory clock speed 1250 MHz 1200 MHz
Memory type GDDR5 GDDR3

Technologies

AMD Eyefinity
AppAcceleration
CrossFire
FreeSync
PowerTune
ZeroCore