NVIDIA GeForce 840A vs AMD FirePro M4000

VS

NVIDIA GeForce 840A

AMD FirePro M4000

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 1024MB VRAM FirePro M4000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages

Released 1 years and 9 months late

Boost Clock1124MHz

More VRAM (2GB vs 1024GB)

AMD FirePro M4000 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 16.02GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840A +24%

0.863 TFLOPS

FirePro M4000

0.691 TFLOPS

GeForce 840A

VS

FirePro M4000

Graphics Card

Mar 2014

Release Date

Jun 2012

GeForce 800A

Generation

FirePro Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

1001 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

8

-

384

Shading Units

512

16

TMUs

32

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

10.80 GPixel/s

17.98 GTexel/s

Texture Rate

21.60 GTexel/s

-

863.2 GFLOPS

FP32 (float)

691.2 GFLOPS

26.98 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

33W

TDP

33W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Chelsea

-

GPU Variant

Chelsea XT GL

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

1.5 billion

Unknown

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

5.1

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