Home GPU Comparison NVIDIA GeForce GT 540M vs NVIDIA GeForce 820A

NVIDIA GeForce GT 540M vs NVIDIA GeForce 820A

NVIDIA GeForce GT 540M
VS
NVIDIA GeForce 820A
NVIDIA GeForce GT 540M
NVIDIA GeForce 820A
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 540M and 1024MB VRAM GeForce 820A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 540M 's Advantages
Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)
NVIDIA GeForce 820A 's Advantages
Released 3 years and 2 months late
Lower TDP (15W vs 35W)

Score

Benchmark

FP32 (float)
GeForce GT 540M
0.258 TFLOPS
GeForce 820A +15%
0.298 TFLOPS
VS

Graphics Card

Jan 2011
Release Date
Mar 2014
GeForce 500M
Generation
GeForce 800A
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
900 MHz
Memory Clock
900 MHz

Memory

1024MB
Memory Size
1024MB
DDR3
Memory Type
DDR3
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
14.40GB/s

Render Config

-
-
-
2
SM Count
2
96
Shading Units
96
16
TMUs
16
4
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

2.688 GPixel/s
Pixel Rate
3.100 GPixel/s
10.75 GTexel/s
Texture Rate
12.40 GTexel/s
-
-
-
258.0 GFLOPS
FP32 (float)
297.6 GFLOPS
21.50 GFLOPS
FP64 (double)
24.80 GFLOPS

Board Design

35W
TDP
15W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

GF108
GPU Name
GF117
N12P-GS-A1
GPU Variant
N15V-GM
Fermi
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.585 billion
Transistors
0.585 billion
116 mm²
Die Size
116 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.1
CUDA
2.1
5.1
Shader Model
5.1

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