NVIDIA GeForce 840A vs NVIDIA GeForce GTX 480M

VS

NVIDIA GeForce 840A

NVIDIA GeForce GTX 480M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 2GB VRAM GeForce GTX 480M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages

Released 3 years and 10 months late

Boost Clock1124MHz

32 additional rendering cores

Lower TDP (33W vs 100W)

NVIDIA GeForce GTX 480M 's Advantages

Larger VRAM bandwidth (76.80GB/s vs 16.02GB/s)

Score

Benchmark

FP32 (float)

GeForce 840A +44%

0.863 TFLOPS

GeForce GTX 480M

0.598 TFLOPS

GeForce 840A

VS

GeForce GTX 480M

Graphics Card

Mar 2014

Release Date

May 2010

GeForce 800A

Generation

GeForce 400M

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

600 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

11

384

Shading Units

352

16

TMUs

44

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

9.350 GPixel/s

17.98 GTexel/s

Texture Rate

18.70 GTexel/s

-

863.2 GFLOPS

FP32 (float)

598.4 GFLOPS

26.98 GFLOPS

FP64 (double)

74.80 GFLOPS

Board Design

33W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

GF100

-

GPU Variant

N11E-GTX-A3

Maxwell

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

3.1 billion

Unknown

Die Size

529 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

2.0

5.1

Shader Model

5.1

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