NVIDIA GeForce 845M vs NVIDIA GeForce GTX 680M

Comparative analysis of NVIDIA GeForce 845M and NVIDIA GeForce GTX 680M 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: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, 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), CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the NVIDIA GeForce 845M

  • Videocard is newer: launch date 3 year(s) 2 month(s) later
  • Around 49% higher core clock speed: 1071 MHz vs 720 MHz
  • Around 55% higher boost clock speed: 1176 MHz vs 758 MHz
  • 3x lower typical power consumption: 33 Watt vs 100 Watt
  • 2.8x more memory clock speed: 5012 MHz vs 1800 MHz
  • Around 84% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2320 vs 1263
  • Around 36% better performance in GFXBench 4.0 - Manhattan (Frames): 3287 vs 2409
  • Around 8% better performance in GFXBench 4.0 - T-Rex (Frames): 3358 vs 3111
  • Around 84% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2320 vs 1263
  • Around 36% better performance in GFXBench 4.0 - Manhattan (Fps): 3287 vs 2409
  • Around 8% better performance in GFXBench 4.0 - T-Rex (Fps): 3358 vs 3111
Specifications (specs)
Launch date 26 August 2015 vs 4 June 2012
Core clock speed 1071 MHz vs 720 MHz
Boost clock speed 1176 MHz vs 758 MHz
Thermal Design Power (TDP) 33 Watt vs 100 Watt
Memory clock speed 5012 MHz vs 1800 MHz
Benchmarks
GFXBench 4.0 - Car Chase Offscreen (Frames) 2320 vs 1263
GFXBench 4.0 - Manhattan (Frames) 3287 vs 2409
GFXBench 4.0 - T-Rex (Frames) 3358 vs 3111
GFXBench 4.0 - Car Chase Offscreen (Fps) 2320 vs 1263
GFXBench 4.0 - Manhattan (Fps) 3287 vs 2409
GFXBench 4.0 - T-Rex (Fps) 3358 vs 3111

Reasons to consider the NVIDIA GeForce GTX 680M

  • 2.9x more texture fill rate: 80.6 billion / sec vs 27.62 GTexel / s
  • 3.5x more pipelines: 1344 vs 384
  • 2.3x better floating-point performance: 2,038 gflops vs 883.7 gflops
  • 2x more maximum memory size: 4 GB vs 2 GB
  • 2.2x better performance in PassMark - G3D Mark: 3252 vs 1489
  • Around 69% better performance in PassMark - G2D Mark: 345 vs 204
  • Around 54% better performance in Geekbench - OpenCL: 9400 vs 6112
  • 2.2x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 2.823 vs 1.295
  • Around 79% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 40.155 vs 22.387
  • Around 31% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 99.75 vs 76.073
Specifications (specs)
Texture fill rate 80.6 billion / sec vs 27.62 GTexel / s
Pipelines 1344 vs 384
Floating-point performance 2,038 gflops vs 883.7 gflops
Maximum memory size 4 GB vs 2 GB
Benchmarks
PassMark - G3D Mark 3252 vs 1489
PassMark - G2D Mark 345 vs 204
Geekbench - OpenCL 9400 vs 6112
CompuBench 1.5 Desktop - T-Rex (Frames/s) 2.823 vs 1.295
CompuBench 1.5 Desktop - Video Composition (Frames/s) 40.155 vs 22.387
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 99.75 vs 76.073

Compare benchmarks

GPU 1: NVIDIA GeForce 845M
GPU 2: NVIDIA GeForce GTX 680M

PassMark - G3D Mark
GPU 1
GPU 2
1489
3252
PassMark - G2D Mark
GPU 1
GPU 2
204
345
Geekbench - OpenCL
GPU 1
GPU 2
6112
9400
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
1.295
2.823
CompuBench 1.5 Desktop - Video Composition (Frames/s)
GPU 1
GPU 2
22.387
40.155
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
76.073
99.75
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
2320
1263
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
3287
2409
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3358
3111
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
2320
1263
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
3287
2409
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3358
3111
Name NVIDIA GeForce 845M NVIDIA GeForce GTX 680M
PassMark - G3D Mark 1489 3252
PassMark - G2D Mark 204 345
Geekbench - OpenCL 6112 9400
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.295 2.823
CompuBench 1.5 Desktop - Video Composition (Frames/s) 22.387 40.155
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 76.073 99.75
GFXBench 4.0 - Car Chase Offscreen (Frames) 2320 1263
GFXBench 4.0 - Manhattan (Frames) 3287 2409
GFXBench 4.0 - T-Rex (Frames) 3358 3111
GFXBench 4.0 - Car Chase Offscreen (Fps) 2320 1263
GFXBench 4.0 - Manhattan (Fps) 3287 2409
GFXBench 4.0 - T-Rex (Fps) 3358 3111
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 28.081
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 879.575
3DMark Fire Strike - Graphics Score 0

Compare specifications (specs)

NVIDIA GeForce 845M NVIDIA GeForce GTX 680M

Essentials

Architecture Maxwell Kepler
Code name GM108 GK104
Launch date 26 August 2015 4 June 2012
Place in performance rating 1044 1047
Type Laptop Laptop
Launch price (MSRP) $310.50
Price now $499.99
Value for money (0-100) 8.46

Technical info

Boost clock speed 1176 MHz 758 MHz
Core clock speed 1071 MHz 720 MHz
Floating-point performance 883.7 gflops 2,038 gflops
Manufacturing process technology 28 nm 28 nm
Pipelines 384 1344
Texture fill rate 27.62 GTexel / s 80.6 billion / sec
Thermal Design Power (TDP) 33 Watt 100 Watt
Transistor count 1,870 million 3,540 million
CUDA cores 1344

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Interface PCIe 3.0 x8 MXM-B (3.0)
Laptop size medium sized large
Bus support PCI Express 3.0
SLI options 2-way
Supplementary power connectors None

API support

DirectX 12.0 (11_0) 12 API
OpenGL 4.6 4.5
OpenCL 1.1

Memory

Maximum RAM amount 2 GB 4 GB
Memory bandwidth 16.02 GB / s 115.2 GB / s
Memory bus width 64 / 128 Bit 256 Bit
Memory clock speed 5012 MHz 1800 MHz
Memory type DDR3 / GDDR5 GDDR5
Shared memory 0 0

Technologies

CUDA
GeForce Experience
GPU Boost
Optimus
3D Vision
Adaptive VSync
DirectX 11 DirectX 11
SLI
TXAA