NVIDIA GeForce 840M vs NVIDIA GeForce GTX 580M

VS

NVIDIA GeForce 840M

NVIDIA GeForce GTX 580M

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

Main Differences

NVIDIA GeForce 840M 's Advantages

Released 2 years and 9 months late

Boost Clock1124MHz

Lower TDP (33W vs 100W)

NVIDIA GeForce GTX 580M 's Advantages

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

Score

Benchmark

FP32 (float)

GeForce 840M

0.863 TFLOPS

GeForce GTX 580M +10%

0.952 TFLOPS

GeForce 840M

VS

GeForce GTX 580M

Graphics Card

Mar 2014

Release Date

Jun 2011

GeForce 800M

Generation

GeForce 500M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

1001 MHz

Memory Clock

750 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

8

384

Shading Units

384

16

TMUs

64

8

ROPs

32

-

64 KB (per SMM)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

9.920 GPixel/s

17.98 GTexel/s

Texture Rate

39.68 GTexel/s

-

863.2 GFLOPS

FP32 (float)

952.3 GFLOPS

26.98 GFLOPS

FP64 (double)

79.36 GFLOPS

Board Design

33W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

GF114

N15S-GT

GPU Variant

N12E-GTX2-A1

Maxwell

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

1.95 billion

Unknown

Die Size

332 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

2.1

5.1

Shader Model

5.1

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