NVIDIA GeForce 840A vs AMD Radeon HD 6550M

VS

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 1024MB VRAM Radeon HD 6550M 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 4 months late

Boost Clock1124MHz

More VRAM (2GB vs 1GB)

AMD Radeon HD 6550M 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 16.02GB/s)

16 additional rendering cores

Lower TDP (26W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 840A +79%

0.863 TFLOPS

Radeon HD 6550M

0.48 TFLOPS

GeForce 840A

VS

Radeon HD 6550M

Graphics Card

Mar 2014

Release Date

Nov 2010

GeForce 800A

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-II

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

1001 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

Compute Units

5

384

Shading Units

400

16

TMUs

20

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

8.992 GPixel/s

Pixel Rate

4.800 GPixel/s

17.98 GTexel/s

Texture Rate

12.00 GTexel/s

-

FP16 (half)

-

863.2 GFLOPS

FP32 (float)

480.0 GFLOPS

26.98 GFLOPS

FP64 (double)

-

Graphics Processor

GM108

GPU Name

Lexington

-

GPU Variant

-

Maxwell

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

2.154 billion

Unknown

Die Size

334 mm²

Board Design

33W

TDP

26W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

5.0

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