GeForce GT 740A vs GeForce GTX 870M
We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740A and 3GB VRAM GeForce GTX 870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 740A 's Advantages
Lower TDP (33W vs 100W)
GeForce GTX 870M 's Advantages
Released 7 months late
Boost Clock967MHz
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (120.0GB/s vs 14.40GB/s)
960 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 740A
753
GeForce GTX 870M
+245%
2599
Graphics Card
Aug 2013
Release Date
Mar 2014
GeForce 700A
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
941 MHz
-
Boost Clock
967 MHz
900 MHz
Memory Clock
1250 MHz
Memory
2GB
Memory Size
3GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
192bit
14.40GB/s
Bandwidth
120.0GB/s
Render Config
384
Shading Units
1344
32
TMUs
112
8
ROPs
24
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
384 KB
Theoretical Performance
7.840 GPixel/s
Pixel Rate
27.08 GPixel/s
31.36 GTexel/s
Texture Rate
108.3 GTexel/s
752.6 GFLOPS
FP32 (float)
2.599 TFLOPS
31.36 GFLOPS
FP64 (double)
108.3 GFLOPS
Board Design
33W
TDP
100W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK208
GPU Name
GK104
GT 740M
GPU Variant
N15E-GT-A2
Kepler 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.02 billion
Transistors
3.54 billion
87 mm²
Die Size
294 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.5
CUDA
3.0
5.1
Shader Model
5.1
