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GPU Comparison
NVIDIA GeForce 840M vs NVIDIA GeForce GT 740M
NVIDIA GeForce 840M vs NVIDIA GeForce GT 740M
VS
NVIDIA GeForce 840M
NVIDIA GeForce GT 740M
We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 2GB VRAM GeForce GT 740M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 840M 's Advantages
Released 9 months late
Boost Clock1124MHz
Larger VRAM bandwidth (16.02GB/s vs 14.40GB/s)
Score
Benchmark
FP32 (float)
GeForce 840M
+14%
0.863 TFLOPS
GeForce GT 740M
0.753 TFLOPS
Blender
GeForce 840M
+63%
67
GeForce GT 740M
41
GeForce 840M
VS
GeForce GT 740M
Graphics Card
Mar 2014
Release Date
Jun 2013
GeForce 800M
Generation
GeForce 700M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
1029 MHz
Base Clock
-
1124 MHz
Boost Clock
-
1001 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
2GB
DDR3
Memory Type
DDR3
64bit
Memory Bus
64bit
16.02GB/s
Bandwidth
14.40GB/s
Render Config
-
SM Count
-
-
Compute Units
-
384
Shading Units
384
16
TMUs
32
8
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SMM)
L1 Cache
16 KB (per SMX)
1024 KB
L2 Cache
512 KB
Theoretical Performance
8.992 GPixel/s
Pixel Rate
7.840 GPixel/s
17.98 GTexel/s
Texture Rate
31.36 GTexel/s
-
FP16 (half)
-
863.2 GFLOPS
FP32 (float)
752.6 GFLOPS
26.98 GFLOPS
FP64 (double)
31.36 GFLOPS
Graphics Processor
GM108
GPU Name
GK208
N15S-GT
GPU Variant
GT 740M
Maxwell
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
Unknown
Transistors
1.02 billion
Unknown
Die Size
87 mm²
Board Design
33W
TDP
33W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
5.0
CUDA
3.5
5.1
Shader Model
5.1
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