NVIDIA GeForce 840A vs AMD Radeon R5 A220

VS

NVIDIA GeForce 840A

AMD Radeon R5 A220

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 1024MB VRAM Radeon R5 A220 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages

Boost Clock1124MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (16.02GB/s vs 14.40GB/s)

224 additional rendering cores

Lower TDP (33W vs 35W)

Score

Benchmark

FP32 (float)

GeForce 840A +247%

0.863 TFLOPS

Radeon R5 A220

0.248 TFLOPS

GeForce 840A

VS

Radeon R5 A220

Graphics Card

Mar 2014

Release Date

Jan 2014

GeForce 800A

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

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

64bit

16.02GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

2

-

384

Shading Units

160

16

TMUs

8

ROPs

4

-

64 KB (per SMM)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

3.100 GPixel/s

17.98 GTexel/s

Texture Rate

6.200 GTexel/s

-

863.2 GFLOPS

FP32 (float)

248.0 GFLOPS

26.98 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

35W

-

No outputs

Outputs

1x DVI 1x HDMI 1.3a

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Caicos

-

GPU Variant

Caicos XT (215-0804070)

Maxwell

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

0.37 billion

Unknown

Die Size

67 mm²

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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