NVIDIA GeForce 840A vs NVIDIA GeForce GTS 250M

VS

NVIDIA GeForce 840A

NVIDIA GeForce GTS 250M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 1024MB VRAM GeForce GTS 250M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages

Released 4 years and 9 months late

Boost Clock1124MHz

More VRAM (2GB vs 1024GB)

288 additional rendering cores

NVIDIA GeForce GTS 250M 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 16.02GB/s)

Lower TDP (28W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 840A +259%

0.863 TFLOPS

GeForce GTS 250M

0.24 TFLOPS

GeForce 840A

VS

GeForce GTS 250M

Graphics Card

Mar 2014

Release Date

Jun 2009

GeForce 800A

Generation

GeForce 200M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

1001 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

51.20GB/s

Render Config

-

SM Count

12

384

Shading Units

96

16

TMUs

32

8

ROPs

8

-

64 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

64 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

4.000 GPixel/s

17.98 GTexel/s

Texture Rate

16.00 GTexel/s

-

863.2 GFLOPS

FP32 (float)

240.0 GFLOPS

26.98 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

28W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM108

GPU Name

GT215

-

GPU Variant

N10E-GE-A2

Maxwell

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

0.727 billion

Unknown

Die Size

144 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

1.2

5.1

Shader Model

4.1

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