Home GPU Comparison NVIDIA GeForce GT 625M vs NVIDIA GeForce 840A

NVIDIA GeForce GT 625M vs NVIDIA GeForce 840A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 625M and 2GB VRAM GeForce 840A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 625M 's Advantages
Lower TDP (15W vs 33W)
NVIDIA GeForce 840A 's Advantages
Released 1 years and 5 months late
Boost Clock1124MHz
Larger VRAM bandwidth (16.02GB/s vs 14.40GB/s)
288 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 625M
0.24 TFLOPS
GeForce 840A +259%
0.863 TFLOPS
VS

Graphics Card

Oct 2012
Release Date
Mar 2014
GeForce 600M
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
1029 MHz
-
Boost Clock
1124 MHz
900 MHz
Memory Clock
1001 MHz

Memory

2GB
Memory Size
2GB
DDR3
Memory Type
DDR3
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
16.02GB/s

Render Config

-
-
-
2
SM Count
-
96
Shading Units
384
16
TMUs
16
4
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
64 KB (per SMM)
128 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

2.500 GPixel/s
Pixel Rate
8.992 GPixel/s
10.00 GTexel/s
Texture Rate
17.98 GTexel/s
-
-
-
240.0 GFLOPS
FP32 (float)
863.2 GFLOPS
20.00 GFLOPS
FP64 (double)
26.98 GFLOPS

Board Design

15W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

GF117
GPU Name
GM108
N13M-GS-B-A2
GPU Variant
-
Fermi 2.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.585 billion
Transistors
Unknown
116 mm²
Die Size
Unknown

Graphics Features

12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
2.1
CUDA
5.0
5.1
Shader Model
5.1

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