AMD Radeon R7 A265 vs AMD Radeon Pro Vega 20

VS

AMD Radeon R7 A265

AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 A265 and 4GB VRAM Radeon Pro Vega 20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 20 's Advantages

Released 4 years and 10 months late

Boost Clock has increased by 56% (1283MHz vs 825MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (189.4GB/s vs 28.80GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 A265

0.633 TFLOPS

Radeon Pro Vega 20 +418%

3.284 TFLOPS

Radeon R7 A265

VS

Radeon Pro Vega 20

Graphics Card

Jan 2014

Release Date

Nov 2018

All-In-One

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

725 MHz

Base Clock

815 MHz

825 MHz

Boost Clock

1283 MHz

900 MHz

Memory Clock

740 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

HBM2

128bit

Memory Bus

1024bit

28.80GB/s

Bandwidth

189.4GB/s

Render Config

6

Compute Units

20

-

384

Shading Units

1280

24

TMUs

80

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

41.06 GPixel/s

19.80 GTexel/s

Texture Rate

102.6 GTexel/s

-

FP16 (half)

6.569 TFLOPS

633.6 GFLOPS

FP32 (float)

3.284 TFLOPS

39.60 GFLOPS

FP64 (double)

205.3 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Opal

GPU Name

Vega 12

Opal XT

GPU Variant

Vega 12 XTA

GCN 1.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.95 billion

Transistors

Unknown

77 mm²

Die Size

Unknown

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.3

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