GeForce GT 740M vs GeForce GTX 860M
We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740M and 4GB VRAM GeForce GTX 860M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 740M 's Advantages
Lower TDP (33W vs 75W)
GeForce GTX 860M 's Advantages
Released 7 months late
Boost Clock1085MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (80.19GB/s vs 14.40GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 740M
753
GeForce GTX 860M
+84%
1389
3DMark Time Spy
GeForce GT 740M
342
GeForce GTX 860M
+235%
1149
Graphics Card
Jun 2013
Release Date
Jan 2014
GeForce 700M
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
1020 MHz
-
Boost Clock
1085 MHz
900 MHz
Memory Clock
1253 MHz
Memory
2GB
Memory Size
4GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
80.19GB/s
Render Config
384
Shading Units
640
32
TMUs
40
8
ROPs
16
16 KB (per SMX)
L1 Cache
64 KB (per SMM)
512 KB
L2 Cache
2 MB
Theoretical Performance
7.840 GPixel/s
Pixel Rate
17.36 GPixel/s
31.36 GTexel/s
Texture Rate
43.40 GTexel/s
752.6 GFLOPS
FP32 (float)
1389 GFLOPS
31.36 GFLOPS
FP64 (double)
43.40 GFLOPS
Board Design
33W
TDP
75W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK208
GPU Name
GM107
GT 740M
GPU Variant
N15P-GX-A1
Kepler 2.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.02 billion
Transistors
1.87 billion
87 mm²
Die Size
148 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.5
CUDA
5.0
5.1
Shader Model
5.1
