AMD Radeon R9 M485X vs AMD Radeon HD 7450M

VS

AMD Radeon R9 M485X

AMD Radeon HD 7450M

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 1024MB VRAM Radeon HD 7450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M485X 's Advantages

Released 4 years and 4 months late

More VRAM (8GB vs 1024GB)

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

1888 additional rendering cores

AMD Radeon HD 7450M 's Advantages

Lower TDP (7W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M485X +1221%

2.961 TFLOPS

Radeon HD 7450M

0.224 TFLOPS

Radeon R9 M485X

VS

Radeon HD 7450M

Graphics Card

May 2016

Release Date

Jan 2012

Crystal System

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

14.40GB/s

Render Config

32

Compute Units

2

-

2048

Shading Units

160

128

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

2.800 GPixel/s

92.54 GTexel/s

Texture Rate

5.600 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

224.0 GFLOPS

185.1 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

7W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

Seymour

Amethyst XT

GPU Variant

Seymour PRO

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

0.37 billion

366 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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