AMD Radeon HD 8770M vs AMD Radeon RX 6550M

VS

AMD Radeon HD 8770M

AMD Radeon RX 6550M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 4GB VRAM Radeon RX 6550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6550M 's Advantages

Released 9 years and 9 months late

Boost Clock has increased by 244% (2840MHz vs 825MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (144.0GB/s vs 72.00GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770M

0.633 TFLOPS

Radeon RX 6550M +818%

5.816 TFLOPS

Radeon HD 8770M

VS

Radeon RX 6550M

Graphics Card

Apr 2013

Release Date

Jan 2023

Solar System

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x4

Clock Speeds

775 MHz

Base Clock

2000 MHz

825 MHz

Boost Clock

2840 MHz

1125 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

144.0GB/s

Render Config

6

Compute Units

16

-

384

Shading Units

1024

24

TMUs

64

8

ROPs

32

-

RT Cores

16

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

6.600 GPixel/s

Pixel Rate

90.88 GPixel/s

19.80 GTexel/s

Texture Rate

181.8 GTexel/s

-

FP16 (half)

11.63 TFLOPS

633.6 GFLOPS

FP32 (float)

5.816 TFLOPS

39.60 GFLOPS

FP64 (double)

363.5 GFLOPS

Board Design

Unknown

TDP

80W

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

Navi 24

Mars S3 XT (216-0842018)

GPU Variant

Navi 24

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

0.95 billion

Transistors

5.4 billion

77 mm²

Die Size

107 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.2

1.2.170

Vulkan

1.3

-

6.5 (5.1)

Shader Model

6.7

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