AMD Radeon R5 A220 vs NVIDIA GeForce GTX 850A

VS

AMD Radeon R5 A220

NVIDIA GeForce GTX 850A

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A220 and 2GB VRAM GeForce GTX 850A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A220 's Advantages

Lower TDP (35W vs 45W)

NVIDIA GeForce GTX 850A 's Advantages

Boost Clock936MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A220

0.248 TFLOPS

GeForce GTX 850A +383%

1.198 TFLOPS

Radeon R5 A220

VS

GeForce GTX 850A

Graphics Card

Jan 2014

Release Date

Mar 2014

All-In-One

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

902 MHz

-

Boost Clock

936 MHz

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

28.80GB/s

Render Config

2

Compute Units

-

160

Shading Units

640

8

TMUs

40

4

ROPs

16

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

128 KB

L2 Cache

2 MB

-

Theoretical Performance

3.100 GPixel/s

Pixel Rate

14.98 GPixel/s

6.200 GTexel/s

Texture Rate

37.44 GTexel/s

-

248.0 GFLOPS

FP32 (float)

1198 GFLOPS

-

FP64 (double)

37.44 GFLOPS

Board Design

35W

TDP

45W

-

1x DVI 1x HDMI 1.3a

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Caicos

GPU Name

GM107

Caicos XT (215-0804070)

GPU Variant

N15P-GT-A1

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

1.87 billion

67 mm²

Die Size

148 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

Shader Model

5.1

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