AMD Radeon HD 8750A vs AMD Radeon HD 6450A

VS

AMD Radeon HD 8750A

AMD Radeon HD 6450A

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8750A and 512MB VRAM Radeon HD 6450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8750A 's Advantages

Released 1 years and 10 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (16.00GB/s vs 8.528GB/s)

224 additional rendering cores

AMD Radeon HD 6450A 's Advantages

Lower TDP (25W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 8750A +130%

0.461 TFLOPS

Radeon HD 6450A

0.2 TFLOPS

Radeon HD 8750A

VS

Radeon HD 6450A

Graphics Card

Feb 2013

Release Date

Apr 2011

All-In-One

Generation

All-In-One

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

533 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

8.528GB/s

Render Config

6

Compute Units

2

-

384

Shading Units

160

24

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

2.500 GPixel/s

14.40 GTexel/s

Texture Rate

5.000 GTexel/s

-

460.8 GFLOPS

FP32 (float)

200.0 GFLOPS

28.80 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Mars

GPU Name

Caicos

Mars XT

GPU Variant

-

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.37 billion

77 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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