AMD Radeon HD 6990 vs ATI Mobility Radeon HD 3850

Comparative analysis of AMD Radeon HD 6990 and ATI Mobility Radeon HD 3850 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, 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.

 

Differences

Reasons to consider the AMD Radeon HD 6990

  • Videocard is newer: launch date 2 year(s) 9 month(s) later
  • Around 43% higher core clock speed: 830 MHz vs 580 MHz
  • 30.1x more texture fill rate: 2x 79.7 GTexel / s billion / sec vs 9.28 GTexel / s
  • 9.6x more pipelines: 2x 1536 vs 320
  • 13.7x better floating-point performance: 2x 2,549.8 gflops vs 371.2 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 55 nm
  • 8x more maximum memory size: 2x 2 GB vs 512 MB
  • 3.3x more memory clock speed: 5000 MHz vs 1500 MHz
  • 8.2x better performance in PassMark - G3D Mark: 3014 vs 366
  • 2.1x better performance in PassMark - G2D Mark: 532 vs 248
Specifications (specs)
Launch date 8 March 2011 vs 4 June 2008
Core clock speed 830 MHz vs 580 MHz
Texture fill rate 2x 79.7 GTexel / s billion / sec vs 9.28 GTexel / s
Pipelines 2x 1536 vs 320
Floating-point performance 2x 2,549.8 gflops vs 371.2 gflops
Manufacturing process technology 40 nm vs 55 nm
Maximum memory size 2x 2 GB vs 512 MB
Memory clock speed 5000 MHz vs 1500 MHz
Benchmarks
PassMark - G3D Mark 3014 vs 366
PassMark - G2D Mark 532 vs 248

Reasons to consider the ATI Mobility Radeon HD 3850

  • 10.7x lower typical power consumption: 35 Watt vs 375 Watt
Thermal Design Power (TDP) 35 Watt vs 375 Watt

Compare benchmarks

GPU 1: AMD Radeon HD 6990
GPU 2: ATI Mobility Radeon HD 3850

PassMark - G3D Mark
GPU 1
GPU 2
3014
366
PassMark - G2D Mark
GPU 1
GPU 2
532
248
Name AMD Radeon HD 6990 ATI Mobility Radeon HD 3850
PassMark - G3D Mark 3014 366
PassMark - G2D Mark 532 248
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 17.264
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 840.452
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.76
CompuBench 1.5 Desktop - Video Composition (Frames/s) 53.903
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 265.302
GFXBench 4.0 - Car Chase Offscreen (Frames) 4562
GFXBench 4.0 - Manhattan (Frames) 3713
GFXBench 4.0 - T-Rex (Frames) 3356
GFXBench 4.0 - Car Chase Offscreen (Fps) 4562
GFXBench 4.0 - Manhattan (Fps) 3713
GFXBench 4.0 - T-Rex (Fps) 3356
3DMark Fire Strike - Graphics Score 0

Compare specifications (specs)

AMD Radeon HD 6990 ATI Mobility Radeon HD 3850

Essentials

Architecture TeraScale 3 TeraScale
Code name Antilles M88
Launch date 8 March 2011 4 June 2008
Launch price (MSRP) $699
Place in performance rating 665 653
Price now $159.99
Type Desktop Laptop
Value for money (0-100) 27.81

Technical info

Core clock speed 830 MHz 580 MHz
Floating-point performance 2x 2,549.8 gflops 371.2 gflops
Manufacturing process technology 40 nm 55 nm
Pipelines 2x 1536 320
Texture fill rate 2x 79.7 GTexel / s billion / sec 9.28 GTexel / s
Thermal Design Power (TDP) 375 Watt 35 Watt
Transistor count 2,640 million 666 million

Video outputs and ports

Display Connectors 1x DVI, 4x mini-DisplayPort No outputs
HDCP
HDMI

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16 PCIe 2.0 x16
Length 295 mm
Supplementary power connectors 2x 8-pin
Laptop size large

API support

DirectX 11.2 (11_0) 10.1
OpenGL 4.4 3.3

Memory

Maximum RAM amount 2x 2 GB 512 MB
Memory bandwidth 2x 160.0 GB / s 48.0 GB / s
Memory bus width 2x 256 Bit 256 Bit
Memory clock speed 5000 MHz 1500 MHz
Memory type GDDR5 GDDR3
Shared memory 0