AMD Radeon HD 8670A vs AMD Radeon Pro 575X

VS

AMD Radeon HD 8670A

AMD Radeon Pro 575X

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 4GB VRAM Radeon Pro 575X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670A 's Advantages

Lower TDP (45W vs 150W)

AMD Radeon Pro 575X 's Advantages

Released 6 years and 1 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (217.6GB/s vs 16.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

Radeon Pro 575X +873%

4.489 TFLOPS

Radeon HD 8670A

VS

Radeon Pro 575X

Graphics Card

Feb 2013

Release Date

Mar 2019

All-In-One

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1700 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

217.6GB/s

Render Config

6

Compute Units

32

-

384

Shading Units

2048

24

TMUs

128

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

2 MB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

35.07 GPixel/s

14.40 GTexel/s

Texture Rate

140.3 GTexel/s

-

FP16 (half)

4.489 TFLOPS

460.8 GFLOPS

FP32 (float)

4.489 TFLOPS

28.80 GFLOPS

FP64 (double)

280.6 GFLOPS

Board Design

45W

TDP

150W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

Polaris 20

Mars XT

GPU Variant

Polaris 20 XL (215-0910052)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.95 billion

Transistors

5.7 billion

77 mm²

Die Size

232 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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