AMD Radeon HD 8670A vs AMD Radeon RX 6700S

VS

AMD Radeon HD 8670A

AMD Radeon RX 6700S

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 8GB VRAM Radeon RX 6700S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670A 's Advantages

Lower TDP (45W vs 80W)

AMD Radeon RX 6700S 's Advantages

Released 8 years and 11 months late

Boost Clock2000MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 16.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

Radeon RX 6700S +1454%

7.168 TFLOPS

Radeon HD 8670A

VS

Radeon RX 6700S

Graphics Card

Feb 2013

Release Date

Jan 2022

All-In-One

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1700 MHz

-

Boost Clock

2000 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

224.0GB/s

Render Config

6

Compute Units

28

-

384

Shading Units

1792

24

TMUs

112

8

ROPs

64

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

4.800 GPixel/s

Pixel Rate

128.0 GPixel/s

14.40 GTexel/s

Texture Rate

224.0 GTexel/s

-

FP16 (half)

14.34 TFLOPS

460.8 GFLOPS

FP32 (float)

7.168 TFLOPS

28.80 GFLOPS

FP64 (double)

448.0 GFLOPS

Board Design

45W

TDP

80W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

Navi 23

Mars XT

GPU Variant

-

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

0.95 billion

Transistors

11.06 billion

77 mm²

Die Size

237 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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