NVIDIA GeForce 840A vs NVIDIA GeForce MX450 30.5W 8Gbps

VS

NVIDIA GeForce 840A

NVIDIA GeForce MX450 30.5W 8Gbps

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 2GB VRAM GeForce MX450 30.5W 8Gbps to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce MX450 30.5W 8Gbps 's Advantages

Released 6 years and 5 months late

Boost Clock has increased by 13% (1275MHz vs 1124MHz)

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

512 additional rendering cores

Lower TDP (31W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 840A

0.863 TFLOPS

GeForce MX450 30.5W 8Gbps +164%

2.285 TFLOPS

GeForce 840A

VS

GeForce MX450 30.5W 8Gbps

Graphics Card

Mar 2014

Release Date

Aug 2020

GeForce 800A

Generation

GeForce MX

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x4

Clock Speeds

1029 MHz

Base Clock

1035 MHz

1124 MHz

Boost Clock

1275 MHz

1001 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

14

384

Shading Units

896

16

TMUs

56

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

40.80 GPixel/s

17.98 GTexel/s

Texture Rate

71.40 GTexel/s

-

FP16 (half)

4.570 TFLOPS

863.2 GFLOPS

FP32 (float)

2.285 TFLOPS

26.98 GFLOPS

FP64 (double)

71.40 GFLOPS

Board Design

33W

TDP

31W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

TU117

-

Maxwell

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

Unknown

Transistors

4.7 billion

Unknown

Die Size

200 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

7.5

5.1

Shader Model

6.6

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