GeForce GT 640M Mac Edition vs P106M
We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 640M Mac Edition and 4GB VRAM P106M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 640M Mac Edition 's Advantages
Lower TDP (32W vs 75W)
P106M 's Advantages
Released 5 years and 11 months late
Boost Clock1291MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (96.13GB/s vs 40.00GB/s)
768 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640M Mac Edition
572
P106M
+419%
2974
Graphics Card
Feb 2013
Release Date
Jan 2019
GeForce 600M
Generation
Mining GPUs
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1291 MHz
-
Boost Clock
1291 MHz
1250 MHz
Memory Clock
1502 MHz
Memory
512MB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
40.00GB/s
Bandwidth
96.13GB/s
Render Config
-
SM Count
9
384
Shading Units
1152
32
TMUs
72
8
ROPs
32
16 KB (per SMX)
L1 Cache
48 KB (per SM)
128 KB
L2 Cache
1280 KB
Theoretical Performance
5.960 GPixel/s
Pixel Rate
41.31 GPixel/s
23.84 GTexel/s
Texture Rate
92.95 GTexel/s
-
FP16 (half)
46.48 GFLOPS
572.2 GFLOPS
FP32 (float)
2.974 TFLOPS
23.84 GFLOPS
FP64 (double)
92.95 GFLOPS
Board Design
32W
TDP
75W
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
None
Graphics Processor
GK107
GPU Name
GP106
N13P-GS
GPU Variant
GP106-505-KC-A1
Kepler
Architecture
Pascal
TSMC
Foundry
TSMC
28 nm
Process Size
16 nm
1.27 billion
Transistors
4.4 billion
118 mm²
Die Size
200 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
6.1
5.1
Shader Model
6.8
