AMD Radeon HD 8670M vs AMD Radeon RX 7700S

VS

AMD Radeon HD 8670M

AMD Radeon RX 7700S

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M 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 10 months late

Boost Clock has increased by 156% (2500MHz vs 975MHz)

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 14.40GB/s)

1728 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M

0.624 TFLOPS

Radeon RX 7700S +3182%

20.48 TFLOPS

Radeon HD 8670M

VS

Radeon RX 7700S

Graphics Card

Mar 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

925 MHz

Base Clock

1500 MHz

975 MHz

Boost Clock

2500 MHz

900 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

288.0GB/s

Render Config

5

Compute Units

32

-

320

Shading Units

2048

20

TMUs

128

8

ROPs

64

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

7.800 GPixel/s

Pixel Rate

160.0 GPixel/s

19.50 GTexel/s

Texture Rate

320.0 GTexel/s

-

FP16 (half)

40.96 TFLOPS

624.0 GFLOPS

FP32 (float)

20.48 TFLOPS

39.00 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Sun

GPU Name

Navi 33

Sun S3 XT (216-0841009)

GPU Variant

Navi 33 XT

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

0.69 billion

Transistors

13.3 billion

56 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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