NVIDIA Tesla K20Xm vs AMD Radeon HD 7450M

Comparative analysis of NVIDIA Tesla K20Xm and AMD Radeon HD 7450M 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, 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 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the NVIDIA Tesla K20Xm

  • Videocard is newer: launch date 10 month(s) later
  • Around 5% higher core clock speed: 732 MHz vs 700 MHz
  • 29.3x more texture fill rate: 164.0 GTexel / s vs 5.6 GTexel / s
  • 16.8x more pipelines: 2688 vs 160
  • 17.6x better floating-point performance: 3,935 gflops vs 224.0 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
  • 6x more maximum memory size: 6 GB vs 1 GB
  • 2.9x more memory clock speed: 5200 MHz vs 1800 MHz
  • 8.8x better performance in PassMark - G3D Mark: 2918 vs 330
  • 34.8x better performance in Geekbench - OpenCL: 16581 vs 476
  • 2x better performance in GFXBench 4.0 - T-Rex (Frames): 7038 vs 3493
  • 2x better performance in GFXBench 4.0 - T-Rex (Fps): 7038 vs 3493
Specifications (specs)
Launch date 12 November 2012 vs 7 January 2012
Core clock speed 732 MHz vs 700 MHz
Texture fill rate 164.0 GTexel / s vs 5.6 GTexel / s
Pipelines 2688 vs 160
Floating-point performance 3,935 gflops vs 224.0 gflops
Manufacturing process technology 28 nm vs 40 nm
Maximum memory size 6 GB vs 1 GB
Memory clock speed 5200 MHz vs 1800 MHz
Benchmarks
PassMark - G3D Mark 2918 vs 330
Geekbench - OpenCL 16581 vs 476
GFXBench 4.0 - T-Rex (Frames) 7038 vs 3493
GFXBench 4.0 - T-Rex (Fps) 7038 vs 3493

Reasons to consider the AMD Radeon HD 7450M

  • 33.6x lower typical power consumption: 7 Watt vs 235 Watt
  • 2.6x better performance in PassMark - G2D Mark: 441 vs 172
  • Around 78% better performance in GFXBench 4.0 - Manhattan (Frames): 1832 vs 1032
  • Around 78% better performance in GFXBench 4.0 - Manhattan (Fps): 1832 vs 1032
Specifications (specs)
Thermal Design Power (TDP) 7 Watt vs 235 Watt
Benchmarks
PassMark - G2D Mark 441 vs 172
GFXBench 4.0 - Manhattan (Frames) 1832 vs 1032
GFXBench 4.0 - Manhattan (Fps) 1832 vs 1032

Compare benchmarks

GPU 1: NVIDIA Tesla K20Xm
GPU 2: AMD Radeon HD 7450M

PassMark - G3D Mark
GPU 1
GPU 2
2918
330
PassMark - G2D Mark
GPU 1
GPU 2
172
441
Geekbench - OpenCL
GPU 1
GPU 2
16581
476
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
1032
1832
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
7038
3493
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
1032
1832
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
7038
3493
Name NVIDIA Tesla K20Xm AMD Radeon HD 7450M
PassMark - G3D Mark 2918 330
PassMark - G2D Mark 172 441
Geekbench - OpenCL 16581 476
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 49.455
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1666.354
CompuBench 1.5 Desktop - T-Rex (Frames/s) 5.836
CompuBench 1.5 Desktop - Video Composition (Frames/s) 92.472
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 275.229
GFXBench 4.0 - Manhattan (Frames) 1032 1832
GFXBench 4.0 - T-Rex (Frames) 7038 3493
GFXBench 4.0 - Manhattan (Fps) 1032 1832
GFXBench 4.0 - T-Rex (Fps) 7038 3493

Compare specifications (specs)

NVIDIA Tesla K20Xm AMD Radeon HD 7450M

Essentials

Architecture Kepler TeraScale 2
Code name GK110 Seymour
Launch date 12 November 2012 7 January 2012
Launch price (MSRP) $7,699
Place in performance rating 808 809
Type Workstation Laptop

Technical info

Core clock speed 732 MHz 700 MHz
Floating-point performance 3,935 gflops 224.0 gflops
Manufacturing process technology 28 nm 40 nm
Pipelines 2688 160
Texture fill rate 164.0 GTexel / s 5.6 GTexel / s
Thermal Design Power (TDP) 235 Watt 7 Watt
Transistor count 7,080 million 370 million

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Interface PCIe 3.0 x16 PCIe 2.0 x16
Length 267 mm

API support

DirectX 12.0 (11_0) 11.2 (11_0)
OpenGL 4.6 4.4

Memory

Maximum RAM amount 6 GB 1 GB
Memory bandwidth 249.6 GB / s 14.4 GB / s
Memory bus width 384 Bit 64 Bit
Memory clock speed 5200 MHz 1800 MHz
Memory type GDDR5 DDR3, GDDR5
Shared memory 0