GeForce GT 740A vs GeForce GTX 680MX Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740A and 2GB VRAM GeForce GTX 680MX Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 740A 's Advantages
Released 10 months late
Lower TDP (33W vs 122W)
GeForce GTX 680MX Mac Edition 's Advantages
Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)
1152 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 740A
753
GeForce GTX 680MX Mac Edition
+193%
2209
Graphics Card
Aug 2013
Release Date
Oct 2012
GeForce 700A
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
900 MHz
Memory Clock
1250 MHz
Memory
2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
160.0GB/s
Render Config
384
Shading Units
1536
32
TMUs
128
8
ROPs
32
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
512 KB
Theoretical Performance
7.840 GPixel/s
Pixel Rate
23.01 GPixel/s
31.36 GTexel/s
Texture Rate
92.03 GTexel/s
752.6 GFLOPS
FP32 (float)
2.209 TFLOPS
31.36 GFLOPS
FP64 (double)
92.03 GFLOPS
Board Design
33W
TDP
122W
No outputs
Outputs
No outputs
Graphics Processor
GK208
GPU Name
GK104
GT 740M
GPU Variant
N13E-GTX2-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
