AMD Radeon R9 M485X vs NVIDIA GeForce GT 740A

VS

AMD Radeon R9 M485X

NVIDIA GeForce GT 740A

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 2GB VRAM GeForce GT 740A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M485X 's Advantages

Released 2 years and 9 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)

1664 additional rendering cores

NVIDIA GeForce GT 740A 's Advantages

Lower TDP (33W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M485X +293%

2.961 TFLOPS

GeForce GT 740A

0.753 TFLOPS

Radeon R9 M485X

VS

GeForce GT 740A

Graphics Card

May 2016

Release Date

Aug 2013

Crystal System

Generation

GeForce 700A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1250 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

14.40GB/s

Render Config

32

Compute Units

-

2048

Shading Units

384

128

TMUs

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

7.840 GPixel/s

92.54 GTexel/s

Texture Rate

31.36 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

752.6 GFLOPS

185.1 GFLOPS

FP64 (double)

31.36 GFLOPS

Board Design

250W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

GK208

Amethyst XT

GPU Variant

GT 740M

GCN 3.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

1.02 billion

366 mm²

Die Size

87 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

6.3

Shader Model

5.1

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