AMD Radeon HD 7450A vs AMD Radeon HD 7670A

VS

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 1024MB VRAM Radeon HD 7670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450A 's Advantages

Lower TDP (25W vs 45W)

AMD Radeon HD 7670A 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 12.80GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

Radeon HD 7670A +188%

0.576 TFLOPS

Radeon HD 7450A

VS

Radeon HD 7670A

Graphics Card

Jan 2012

Release Date

Jan 2012

All-In-One

Generation

All-In-One

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

2

Compute Units

6

160

Shading Units

480

8

TMUs

24

4

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

2.500 GPixel/s

Pixel Rate

4.800 GPixel/s

5.000 GTexel/s

Texture Rate

14.40 GTexel/s

-

FP16 (half)

-

200.0 GFLOPS

FP32 (float)

576.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Caicos

GPU Name

Turks

-

GPU Variant

Turks XT (215-0803000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.716 billion

67 mm²

Die Size

118 mm²

Board Design

25W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

5.0

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