AMD Radeon HD 8770M vs AMD Radeon RX 7700S

VS

AMD Radeon HD 8770M

AMD Radeon RX 7700S

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 8GB VRAM Radeon RX 7700S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7700S 's Advantages

Released 9 years and 9 months late

Boost Clock has increased by 203% (2500MHz vs 825MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 72.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770M

0.633 TFLOPS

Radeon RX 7700S +3135%

20.48 TFLOPS

Radeon HD 8770M

VS

Radeon RX 7700S

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 x16

Clock Speeds

775 MHz

Base Clock

1500 MHz

825 MHz

Boost Clock

2500 MHz

1125 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

288.0GB/s

Render Config

6

Compute Units

32

-

384

Shading Units

2048

24

TMUs

128

8

ROPs

64

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

6.600 GPixel/s

Pixel Rate

160.0 GPixel/s

19.80 GTexel/s

Texture Rate

320.0 GTexel/s

-

FP16 (half)

40.96 TFLOPS

633.6 GFLOPS

FP32 (float)

20.48 TFLOPS

39.60 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

Navi 33

Mars S3 XT (216-0842018)

GPU Variant

Navi 33 XT

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

0.95 billion

Transistors

13.3 billion

77 mm²

Die Size

204 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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