NVIDIA GRID K120Q vs AMD Radeon R9 255 OEM

Comparative analysis of NVIDIA GRID K120Q and AMD Radeon R9 255 OEM 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, Geekbench - OpenCL, 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).

 

Differences

Reasons to consider the NVIDIA GRID K120Q

  • Videocard is newer: launch date 6 month(s) later
Launch date 2 July 2014 vs 21 December 2013

Reasons to consider the AMD Radeon R9 255 OEM

  • Around 6% higher core clock speed: 900 MHz vs 850 MHz
  • 2.2x more texture fill rate: 29.76 GTexel / s vs 13.6 GTexel / s
  • 2.7x more pipelines: 512 vs 192
  • 2.9x better floating-point performance: 952.3 gflops vs 326.4 gflops
  • 2x lower typical power consumption: 65 Watt vs 130 Watt
  • 4x more maximum memory size: 2 GB vs 512 MB
  • 2.6x more memory clock speed: 4600 MHz vs 1782 MHz
  • 4.8x better performance in PassMark - G3D Mark: 1392 vs 293
  • Around 36% better performance in PassMark - G2D Mark: 379 vs 278
Specifications (specs)
Core clock speed 900 MHz vs 850 MHz
Texture fill rate 29.76 GTexel / s vs 13.6 GTexel / s
Pipelines 512 vs 192
Floating-point performance 952.3 gflops vs 326.4 gflops
Thermal Design Power (TDP) 65 Watt vs 130 Watt
Maximum memory size 2 GB vs 512 MB
Memory clock speed 4600 MHz vs 1782 MHz
Benchmarks
PassMark - G3D Mark 1392 vs 293
PassMark - G2D Mark 379 vs 278

Compare benchmarks

GPU 1: NVIDIA GRID K120Q
GPU 2: AMD Radeon R9 255 OEM

PassMark - G3D Mark
GPU 1
GPU 2
293
1392
PassMark - G2D Mark
GPU 1
GPU 2
278
379
Name NVIDIA GRID K120Q AMD Radeon R9 255 OEM
PassMark - G3D Mark 293 1392
PassMark - G2D Mark 278 379
Geekbench - OpenCL 40722
GFXBench 4.0 - Car Chase Offscreen (Frames) 3112
GFXBench 4.0 - Car Chase Offscreen (Fps) 3112
GFXBench 4.0 - Manhattan (Frames) 3168
GFXBench 4.0 - Manhattan (Fps) 3168
GFXBench 4.0 - T-Rex (Frames) 3346
GFXBench 4.0 - T-Rex (Fps) 3346

Compare specifications (specs)

NVIDIA GRID K120Q AMD Radeon R9 255 OEM

Essentials

Architecture Kepler GCN 1.0
Code name GK107 Cape Verde
Launch date 2 July 2014 21 December 2013
Launch price (MSRP) $125
Place in performance rating 603 604
Type Workstation Desktop

Technical info

Core clock speed 850 MHz 900 MHz
Floating-point performance 326.4 gflops 952.3 gflops
Manufacturing process technology 28 nm 28 nm
Pipelines 192 512
Texture fill rate 13.6 GTexel / s 29.76 GTexel / s
Thermal Design Power (TDP) 130 Watt 65 Watt
Transistor count 1,270 million 1,500 million
Boost clock speed 930 MHz

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin

API support

DirectX 12.0 (11_0) 12.0 (11_1)
OpenGL 4.6 4.5

Memory

Maximum RAM amount 512 MB 2 GB
Memory bandwidth 28.51 GB / s 73.6 GB / s
Memory bus width 128 Bit 128 Bit
Memory clock speed 1782 MHz 4600 MHz
Memory type DDR3 GDDR5