NVIDIA GeForce GTX 1070 Mobile vs NVIDIA GeForce GT 640M Mac Edition
We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 1070 Mobile and 512MB VRAM GeForce GT 640M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 1070 Mobile 's Advantages
Released 3 years and 6 months late
Boost Clock1645MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (256.3GB/s vs 40.00GB/s)
1664 additional rendering cores
NVIDIA GeForce GT 640M Mac Edition 's Advantages
Lower TDP (32W vs 120W)
Score
Benchmark
FP32 (float)
GeForce GTX 1070 Mobile
+1077%
6.738 TFLOPS
GeForce GT 640M Mac Edition
0.572 TFLOPS
Graphics Card
Aug 2016
Release Date
Feb 2013
GeForce 10 Mobile
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1442 MHz
Base Clock
-
1645 MHz
Boost Clock
-
2002 MHz
Memory Clock
1250 MHz
Memory
8GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
64bit
256.3GB/s
Bandwidth
40.00GB/s
Render Config
-
-
-
16
SM Count
-
2048
Shading Units
384
128
TMUs
32
64
ROPs
8
-
-
-
-
-
-
48 KB (per SM)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
128 KB
-
-
-
Theoretical Performance
105.3 GPixel/s
Pixel Rate
5.960 GPixel/s
210.6 GTexel/s
Texture Rate
23.84 GTexel/s
105.3 GFLOPS
FP16 (half)
-
6.738 TFLOPS
FP32 (float)
572.2 GFLOPS
210.6 GFLOPS
FP64 (double)
23.84 GFLOPS
Board Design
120W
TDP
32W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GP104
GPU Name
GK107
N17E-G2-A1
GPU Variant
N13P-GS
Pascal
Architecture
Kepler
TSMC
Foundry
TSMC
16 nm
Process Size
28 nm
7.2 billion
Transistors
1.27 billion
314 mm²
Die Size
118 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
6.1
CUDA
3.0
6.4
Shader Model
5.1
