NVIDIA GeForce GTX 580M vs NVIDIA GeForce 840A

VS

NVIDIA GeForce GTX 580M

NVIDIA GeForce 840A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 580M and 2GB VRAM GeForce 840A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 580M 's Advantages

Larger VRAM bandwidth (96.00GB/s vs 16.02GB/s)

NVIDIA GeForce 840A 's Advantages

Released 2 years and 9 months late

Boost Clock1124MHz

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 580M +10%

0.952 TFLOPS

GeForce 840A

0.863 TFLOPS

GeForce GTX 580M

VS

GeForce 840A

Graphics Card

Jun 2011

Release Date

Mar 2014

GeForce 500M

Generation

GeForce 800A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

750 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

96.00GB/s

Bandwidth

16.02GB/s

Render Config

-

8

SM Count

-

384

Shading Units

384

64

TMUs

16

32

ROPs

8

-

64 KB (per SM)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

9.920 GPixel/s

Pixel Rate

8.992 GPixel/s

39.68 GTexel/s

Texture Rate

17.98 GTexel/s

-

952.3 GFLOPS

FP32 (float)

863.2 GFLOPS

79.36 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

100W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GF114

GPU Name

GM108

N12E-GTX2-A1

GPU Variant

-

Fermi 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

Unknown

332 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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