AMD Radeon RX 6800S vs AMD Radeon HD 6670A

VS

AMD Radeon RX 6800S

AMD Radeon HD 6670A

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6800S and 1024MB VRAM Radeon HD 6670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800S 's Advantages

Released 10 years and 9 months late

Boost Clock2100MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 64.00GB/s)

1568 additional rendering cores

AMD Radeon HD 6670A 's Advantages

Lower TDP (45W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6800S +1393%

8.602 TFLOPS

Radeon HD 6670A

0.576 TFLOPS

Radeon RX 6800S

VS

Radeon HD 6670A

Graphics Card

Jan 2022

Release Date

Apr 2011

Mobility Radeon

Generation

All-In-One

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

1800 MHz

Base Clock

-

2100 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

64.00GB/s

Render Config

32

Compute Units

6

-

2048

Shading Units

480

128

TMUs

24

64

ROPs

8

-

32

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

134.4 GPixel/s

Pixel Rate

4.800 GPixel/s

268.8 GTexel/s

Texture Rate

14.40 GTexel/s

17.20 TFLOPS

FP16 (half)

-

8.602 TFLOPS

FP32 (float)

576.0 GFLOPS

537.6 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

Turks

-

GPU Variant

Turks XT (215-0803000)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

0.716 billion

237 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

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