NVIDIA GeForce GT 820M vs NVIDIA GeForce GT 740M
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M 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 GT 820M 's Advantages
Lower TDP (15W vs 33W)
NVIDIA GeForce GT 740M 's Advantages
More VRAM (2GB vs 1024GB)
288 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 820M
0.298 TFLOPS
GeForce GT 740M
+152%
0.753 TFLOPS
Graphics Card
Nov 2013
Release Date
Jun 2013
GeForce 800M
Generation
GeForce 700M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
2GB
DDR3
Memory Type
DDR3
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
14.40GB/s
Render Config
-
-
-
2
SM Count
-
96
Shading Units
384
16
TMUs
32
8
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
3.100 GPixel/s
Pixel Rate
7.840 GPixel/s
12.40 GTexel/s
Texture Rate
31.36 GTexel/s
-
-
-
297.6 GFLOPS
FP32 (float)
752.6 GFLOPS
24.80 GFLOPS
FP64 (double)
31.36 GFLOPS
Board Design
15W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GF117
GPU Name
GK208
N15V-GM
GPU Variant
GT 740M
Fermi 2.0
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.585 billion
Transistors
1.02 billion
116 mm²
Die Size
87 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
2.1
CUDA
3.5
5.1
Shader Model
5.1
