AMD Radeon HD 8670A vs AMD Radeon Pro Vega 56

VS

AMD Radeon HD 8670A

AMD Radeon Pro Vega 56

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 8GB VRAM Radeon Pro Vega 56 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 210W)

AMD Radeon Pro Vega 56 's Advantages

Released 4 years and 6 months late

Boost Clock1250MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (402.4GB/s vs 16.00GB/s)

3200 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

Radeon Pro Vega 56 +1843%

8.96 TFLOPS

Radeon HD 8670A

VS

Radeon Pro Vega 56

Graphics Card

Feb 2013

Release Date

Aug 2017

All-In-One

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1138 MHz

-

Boost Clock

1250 MHz

1000 MHz

Memory Clock

786 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

HBM2

64bit

Memory Bus

2048bit

16.00GB/s

Bandwidth

402.4GB/s

Render Config

6

Compute Units

56

-

384

Shading Units

3584

24

TMUs

224

8

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

4 MB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

80.00 GPixel/s

14.40 GTexel/s

Texture Rate

280.0 GTexel/s

-

FP16 (half)

17.92 TFLOPS

460.8 GFLOPS

FP32 (float)

8.960 TFLOPS

28.80 GFLOPS

FP64 (double)

560.0 GFLOPS

Board Design

45W

TDP

210W

-

No outputs

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

Vega 10

Mars XT

GPU Variant

Vega 10 XL (215-0894216)

GCN 1.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.95 billion

Transistors

12.5 billion

77 mm²

Die Size

495 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

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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