AMD Radeon HD 7450A vs AMD Radeon HD 8830M

VS

AMD Radeon HD 7450A

AMD Radeon HD 8830M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 2GB VRAM Radeon HD 8830M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8830M 's Advantages

Released 1 years and 3 months late

Boost Clock625MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (32.00GB/s vs 12.80GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

Radeon HD 8830M +300%

0.8 TFLOPS

Radeon HD 7450A

VS

Radeon HD 8830M

Graphics Card

Jan 2012

Release Date

Apr 2013

All-In-One

Generation

Solar System

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

575 MHz

-

Boost Clock

625 MHz

800 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

32.00GB/s

Render Config

2

Compute Units

10

-

160

Shading Units

640

8

TMUs

40

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

10.00 GPixel/s

5.000 GTexel/s

Texture Rate

25.00 GTexel/s

-

200.0 GFLOPS

FP32 (float)

800.0 GFLOPS

-

FP64 (double)

50.00 GFLOPS

Board Design

25W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Caicos

GPU Name

Venus

-

GPU Variant

Venus LE (216-0846030)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

1.5 billion

67 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5 (5.1)

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