AMD Radeon RX 6800S vs AMD Radeon HD 8770M

VS

AMD Radeon RX 6800S

AMD Radeon HD 8770M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6800S and 2GB VRAM Radeon HD 8770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800S 's Advantages

Released 8 years and 9 months late

Boost Clock has increased by 155% (2100MHz vs 825MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 72.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6800S +1258%

8.602 TFLOPS

Radeon HD 8770M

0.633 TFLOPS

Radeon RX 6800S

VS

Radeon HD 8770M

Graphics Card

Jan 2022

Release Date

Apr 2013

Mobility Radeon

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1800 MHz

Base Clock

775 MHz

2100 MHz

Boost Clock

825 MHz

2000 MHz

Memory Clock

1125 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

72.00GB/s

Render Config

32

Compute Units

6

-

2048

Shading Units

384

128

TMUs

24

64

ROPs

8

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

134.4 GPixel/s

Pixel Rate

6.600 GPixel/s

268.8 GTexel/s

Texture Rate

19.80 GTexel/s

17.20 TFLOPS

FP16 (half)

-

8.602 TFLOPS

FP32 (float)

633.6 GFLOPS

537.6 GFLOPS

FP64 (double)

39.60 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

Mars

-

GPU Variant

Mars S3 XT (216-0842018)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

0.95 billion

237 mm²

Die Size

77 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

-

6.5

Shader Model

6.5 (5.1)

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