AMD Radeon Pro Vega 20 vs AMD Radeon HD 7770M

VS

AMD Radeon Pro Vega 20

AMD Radeon HD 7770M

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 1024MB VRAM Radeon HD 7770M 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 6 years and 7 months late

Boost Clock1283MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (189.4GB/s vs 64.00GB/s)

768 additional rendering cores

AMD Radeon HD 7770M 's Advantages

Lower TDP (32W vs 100W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 20 +375%

3.284 TFLOPS

Radeon HD 7770M

0.691 TFLOPS

Radeon Pro Vega 20

VS

Radeon HD 7770M

Graphics Card

Nov 2018

Release Date

Apr 2012

Radeon Pro Mac

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

815 MHz

Base Clock

-

1283 MHz

Boost Clock

-

740 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

HBM2

Memory Type

GDDR5

1024bit

Memory Bus

128bit

189.4GB/s

Bandwidth

64.00GB/s

Render Config

20

Compute Units

8

-

1280

Shading Units

512

80

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

41.06 GPixel/s

Pixel Rate

10.80 GPixel/s

102.6 GTexel/s

Texture Rate

21.60 GTexel/s

6.569 TFLOPS

FP16 (half)

-

3.284 TFLOPS

FP32 (float)

691.2 GFLOPS

205.3 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

100W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Vega 12

GPU Name

Chelsea

Vega 12 XTA

GPU Variant

Chelsea XT

GCN 5.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

Unknown

Transistors

1.5 billion

Unknown

Die Size

123 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon Pro Vega 20 vs NVIDIA GeForce 825M

2

AMD Radeon Pro Vega 20 vs NVIDIA GeForce MX130

3

AMD Radeon Pro Vega 20 vs ATI Mobility Radeon HD 4850

4

AMD Radeon Pro Vega 20 vs AMD Radeon RX 7600S

5

AMD Radeon Pro Vega 20 vs AMD Radeon R5 M255

6

AMD Radeon Pro Vega 20 vs AMD Radeon R9 M390X

7

AMD Radeon Pro Vega 20 vs NVIDIA GeForce 840M

8

AMD Radeon Pro Vega 20 vs AMD Radeon HD 7970M

9

AMD Radeon Pro Vega 20 vs AMD FirePro M5950

10

AMD Radeon Pro Vega 20 vs NVIDIA GeForce RTX 2080 Max Q

Related News

1

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

2

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

3

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

4

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game