AMD Radeon R5 A220 vs NVIDIA GeForce GT 640M LE

VS

AMD Radeon R5 A220

NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A220 and 2GB VRAM GeForce GT 640M LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A220 's Advantages

Released 1 years and 8 months late

64 additional rendering cores

NVIDIA GeForce GT 640M LE 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (50.24GB/s vs 14.40GB/s)

Lower TDP (32W vs 35W)

Score

Benchmark

FP32 (float)

Radeon R5 A220

0.248 TFLOPS

GeForce GT 640M LE +16%

0.289 TFLOPS

Radeon R5 A220

VS

GeForce GT 640M LE

Graphics Card

Jan 2014

Release Date

May 2012

All-In-One

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

785 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

50.24GB/s

Render Config

2

Compute Units

-

SM Count

2

160

Shading Units

96

8

TMUs

16

4

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.100 GPixel/s

Pixel Rate

3.012 GPixel/s

6.200 GTexel/s

Texture Rate

12.05 GTexel/s

-

248.0 GFLOPS

FP32 (float)

289.0 GFLOPS

-

FP64 (double)

24.08 GFLOPS

Board Design

35W

TDP

32W

-

1x DVI 1x HDMI 1.3a

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Caicos

GPU Name

GF108

Caicos XT (215-0804070)

GPU Variant

-

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.585 billion

67 mm²

Die Size

116 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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