Intel Iris Plus Graphics 640 vs NVIDIA GeForce 845M

Comparative analysis of Intel Iris Plus Graphics 640 and NVIDIA GeForce 845M 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 - 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 Intel Iris Plus Graphics 640

  • Videocard is newer: launch date 1 year(s) 4 month(s) later
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 28 nm
  • 2.2x lower typical power consumption: 15 Watt vs 33 Watt
  • 16x more maximum memory size: 32 GB vs 2 GB
  • Around 60% better performance in PassMark - G2D Mark: 340 vs 213
  • Around 5% better performance in Geekbench - OpenCL: 6440 vs 6112
  • Around 46% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.888 vs 1.295
Specifications (specs)
Launch date 3 January 2017 vs 26 August 2015
Manufacturing process technology 14 nm vs 28 nm
Thermal Design Power (TDP) 15 Watt vs 33 Watt
Maximum memory size 32 GB vs 2 GB
Benchmarks
PassMark - G2D Mark 340 vs 213
Geekbench - OpenCL 6440 vs 6112
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.888 vs 1.295

Reasons to consider the NVIDIA GeForce 845M

  • 3.6x more core clock speed: 1071 MHz vs 300 MHz
  • Around 7% higher boost clock speed: 1176 MHz vs 1100 MHz
  • 8x more pipelines: 384 vs 48
  • Around 13% better performance in PassMark - G3D Mark: 1524 vs 1347
  • Around 7% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 22.387 vs 21.014
  • Around 77% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 76.073 vs 42.981
  • Around 1% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2320 vs 2306
  • 2.2x better performance in GFXBench 4.0 - Manhattan (Frames): 3287 vs 1514
  • Around 1% better performance in GFXBench 4.0 - T-Rex (Frames): 3358 vs 3333
  • Around 1% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2320 vs 2306
  • 2.2x better performance in GFXBench 4.0 - Manhattan (Fps): 3287 vs 1514
  • Around 1% better performance in GFXBench 4.0 - T-Rex (Fps): 3358 vs 3333
Specifications (specs)
Core clock speed 1071 MHz vs 300 MHz
Boost clock speed 1176 MHz vs 1100 MHz
Pipelines 384 vs 48
Benchmarks
PassMark - G3D Mark 1524 vs 1347
CompuBench 1.5 Desktop - Video Composition (Frames/s) 22.387 vs 21.014
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 76.073 vs 42.981
GFXBench 4.0 - Car Chase Offscreen (Frames) 2320 vs 2306
GFXBench 4.0 - Manhattan (Frames) 3287 vs 1514
GFXBench 4.0 - T-Rex (Frames) 3358 vs 3333
GFXBench 4.0 - Car Chase Offscreen (Fps) 2320 vs 2306
GFXBench 4.0 - Manhattan (Fps) 3287 vs 1514
GFXBench 4.0 - T-Rex (Fps) 3358 vs 3333

Compare benchmarks

GPU 1: Intel Iris Plus Graphics 640
GPU 2: NVIDIA GeForce 845M

PassMark - G3D Mark
GPU 1
GPU 2
1347
1524
PassMark - G2D Mark
GPU 1
GPU 2
340
213
Geekbench - OpenCL
GPU 1
GPU 2
6440
6112
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
1.888
1.295
CompuBench 1.5 Desktop - Video Composition (Frames/s)
GPU 1
GPU 2
21.014
22.387
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
42.981
76.073
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
2306
2320
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
1514
3287
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3333
3358
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
2306
2320
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
1514
3287
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3333
3358
Name Intel Iris Plus Graphics 640 NVIDIA GeForce 845M
PassMark - G3D Mark 1347 1524
PassMark - G2D Mark 340 213
Geekbench - OpenCL 6440 6112
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 36.485
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 246.614
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.888 1.295
CompuBench 1.5 Desktop - Video Composition (Frames/s) 21.014 22.387
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 42.981 76.073
GFXBench 4.0 - Car Chase Offscreen (Frames) 2306 2320
GFXBench 4.0 - Manhattan (Frames) 1514 3287
GFXBench 4.0 - T-Rex (Frames) 3333 3358
GFXBench 4.0 - Car Chase Offscreen (Fps) 2306 2320
GFXBench 4.0 - Manhattan (Fps) 1514 3287
GFXBench 4.0 - T-Rex (Fps) 3333 3358
3DMark Fire Strike - Graphics Score 720

Compare specifications (specs)

Intel Iris Plus Graphics 640 NVIDIA GeForce 845M

Essentials

Architecture Generation 9.5 Maxwell
Code name Kaby Lake GT3e GM108
Launch date 3 January 2017 26 August 2015
Place in performance rating 1159 1019
Type Laptop Laptop

Technical info

Boost clock speed 1100 MHz 1176 MHz
Core clock speed 300 MHz 1071 MHz
Manufacturing process technology 14 nm 28 nm
Pipelines 48 384
Thermal Design Power (TDP) 15 Watt 33 Watt
Transistor count 189 million 1,870 million
Floating-point performance 883.7 gflops
Texture fill rate 27.62 GTexel / s

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Interface PCIe 3.0 x1 PCIe 3.0 x8
Laptop size medium sized

API support

DirectX 12.0 (12_1) 12.0 (11_0)
OpenGL 4.5 4.6

Memory

Maximum RAM amount 32 GB 2 GB
Memory bus width 64 / 128 Bit 64 / 128 Bit
Memory type DDR3L / LPDDR3 / DDR4 DDR3 / GDDR5
Shared memory 1 0
Memory bandwidth 16.02 GB / s
Memory clock speed 5012 MHz

Technologies

Quick Sync
CUDA
GeForce Experience
GPU Boost
Optimus