AMD Radeon HD 6670A vs AMD Radeon Pro 450

VS

AMD Radeon HD 6670A

AMD Radeon Pro 450

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6670A and 2GB VRAM Radeon Pro 450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 450 's Advantages

Released 5 years and 6 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (81.28GB/s vs 64.00GB/s)

160 additional rendering cores

Lower TDP (35W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 6670A

0.576 TFLOPS

Radeon Pro 450 +77%

1.024 TFLOPS

Radeon HD 6670A

VS

Radeon Pro 450

Graphics Card

Apr 2011

Release Date

Oct 2016

All-In-One

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1000 MHz

Memory Clock

1270 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

81.28GB/s

Render Config

6

Compute Units

10

-

480

Shading Units

640

24

TMUs

40

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

12.80 GPixel/s

14.40 GTexel/s

Texture Rate

32.00 GTexel/s

-

FP16 (half)

1024 GFLOPS

576.0 GFLOPS

FP32 (float)

1024 GFLOPS

-

FP64 (double)

64.00 GFLOPS

Board Design

45W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Turks

GPU Name

Baffin

Turks XT (215-0803000)

GPU Variant

Baffin LE

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.716 billion

Transistors

3 billion

118 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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