AMD Radeon HD 7770M vs AMD Radeon RX Vega M GL

VS

AMD Radeon HD 7770M AMD Radeon RX Vega M GL

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7770M and 4GB VRAM Radeon RX Vega M GL to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770M 's Advantages

Lower TDP (32W vs 65W)

AMD Radeon RX Vega M GL 's Advantages

Released 5 years and 10 months late

Boost Clock1011MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (179.2GB/s vs 64.00GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7770M

0.691 TFLOPS

Radeon RX Vega M GL +274%

2.588 TFLOPS

Radeon HD 7770M

VS

Radeon RX Vega M GL

Graphics Card

Apr 2012

Release Date

Feb 2018

London

Generation

Vega

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

IGP

Clock Speeds

-

Base Clock

931 MHz

-

Boost Clock

1011 MHz

1000 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

HBM2

128bit

Memory Bus

1024bit

64.00GB/s

Bandwidth

179.2GB/s

Render Config

-

SM Count

-

8

Compute Units

20

512

Shading Units

1280

32

TMUs

80

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

Theoretical Performance

10.80 GPixel/s

Pixel Rate

32.35 GPixel/s

21.60 GTexel/s

Texture Rate

80.88 GTexel/s

-

FP16 (half)

2.588 TFLOPS

691.2 GFLOPS

FP32 (float)

2.588 TFLOPS

43.20 GFLOPS

FP64 (double)

161.8 GFLOPS

Graphics Processor

Chelsea

GPU Name

Polaris 22

Chelsea XT

GPU Variant

VegaM XL (D715A714)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

5 billion

123 mm²

Die Size

208 mm²

Board Design

32W

TDP

65W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

6.4

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