AMD Radeon HD 6450A vs AMD Radeon HD 6970M Mac Edition

VS

AMD Radeon HD 6450A AMD Radeon HD 6970M Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6450A and 2GB VRAM Radeon HD 6970M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450A 's Advantages

Lower TDP (25W vs 75W)

AMD Radeon HD 6970M Mac Edition 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 8.528GB/s)

800 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450A

0.2 TFLOPS

Radeon HD 6970M Mac Edition +553%

1.306 TFLOPS

Radeon HD 6450A

VS

Radeon HD 6970M Mac Edition

Graphics Card

Apr 2011

Release Date

Aug 2011

All-In-One

Generation

Vancouver

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

533 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

8.528GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

2

Compute Units

12

160

Shading Units

960

8

TMUs

48

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

Theoretical Performance

2.500 GPixel/s

Pixel Rate

21.76 GPixel/s

5.000 GTexel/s

Texture Rate

32.64 GTexel/s

-

FP16 (half)

-

200.0 GFLOPS

FP32 (float)

1306 GFLOPS

-

FP64 (double)

-

Graphics Processor

Caicos

GPU Name

Blackcomb

-

GPU Variant

Blackcomb XT (216-0811000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

1.7 billion

67 mm²

Die Size

212 mm²

Board Design

25W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

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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