AMD Radeon HD 8770M vs AMD Radeon Pro Vega 64X

VS

AMD Radeon HD 8770M

AMD Radeon Pro Vega 64X

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 16GB VRAM Radeon Pro Vega 64X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 64X 's Advantages

Released 5 years and 11 months late

Boost Clock has increased by 78% (1468MHz vs 825MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 72.00GB/s)

3712 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770M

0.633 TFLOPS

Radeon Pro Vega 64X +1800%

12.03 TFLOPS

Radeon HD 8770M

VS

Radeon Pro Vega 64X

Graphics Card

Apr 2013

Release Date

Mar 2019

Solar System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

775 MHz

Base Clock

1250 MHz

825 MHz

Boost Clock

1468 MHz

1125 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

HBM2

128bit

Memory Bus

2048bit

72.00GB/s

Bandwidth

512.0GB/s

Render Config

6

Compute Units

64

-

384

Shading Units

4096

24

TMUs

256

8

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

93.95 GPixel/s

19.80 GTexel/s

Texture Rate

375.8 GTexel/s

-

FP16 (half)

24.05 TFLOPS

633.6 GFLOPS

FP32 (float)

12.03 TFLOPS

39.60 GFLOPS

FP64 (double)

751.6 GFLOPS

Board Design

Unknown

TDP

250W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

Vega 10

Mars S3 XT (216-0842018)

GPU Variant

Vega 10 XT (215-0894200)

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

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.4

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