AMD Radeon HD 8770M vs AMD Radeon RX 5500M

VS

AMD Radeon HD 8770M

AMD Radeon RX 5500M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 4GB VRAM Radeon RX 5500M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 5500M 's Advantages

Released 6 years and 6 months late

Boost Clock has increased by 99% (1645MHz vs 825MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 72.00GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770M

0.633 TFLOPS

Radeon RX 5500M +631%

4.632 TFLOPS

Radeon HD 8770M

VS

Radeon RX 5500M

Graphics Card

Apr 2013

Release Date

Oct 2019

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

775 MHz

Base Clock

1375 MHz

825 MHz

Boost Clock

1645 MHz

1125 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

224.0GB/s

Render Config

6

Compute Units

22

-

384

Shading Units

1408

24

TMUs

88

8

ROPs

32

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

2 MB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

52.64 GPixel/s

19.80 GTexel/s

Texture Rate

144.8 GTexel/s

-

FP16 (half)

9.265 TFLOPS

633.6 GFLOPS

FP32 (float)

4.632 TFLOPS

39.60 GFLOPS

FP64 (double)

289.5 GFLOPS

Board Design

Unknown

TDP

85W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

Navi 14

Mars S3 XT (216-0842018)

GPU Variant

Navi 14 XTM

GCN 1.0

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

0.95 billion

Transistors

6.4 billion

77 mm²

Die Size

158 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

1.3

-

6.5 (5.1)

Shader Model

6.5

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