AMD Radeon HD 6670A vs AMD Radeon RX 6800M

VS

AMD Radeon HD 6670A

AMD Radeon RX 6800M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6670A and 12GB VRAM Radeon RX 6800M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670A 's Advantages

Lower TDP (45W vs 145W)

AMD Radeon RX 6800M 's Advantages

Released 10 years and 1 months late

Boost Clock2390MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 64.00GB/s)

2080 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670A

0.576 TFLOPS

Radeon RX 6800M +2025%

12.24 TFLOPS

Radeon HD 6670A

VS

Radeon RX 6800M

Graphics Card

Apr 2011

Release Date

May 2021

All-In-One

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2116 MHz

-

Boost Clock

2390 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

192bit

64.00GB/s

Bandwidth

384.0GB/s

Render Config

6

Compute Units

40

-

480

Shading Units

2560

24

TMUs

160

8

ROPs

64

-

RT Cores

40

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

4.800 GPixel/s

Pixel Rate

153.0 GPixel/s

14.40 GTexel/s

Texture Rate

382.4 GTexel/s

-

FP16 (half)

24.47 TFLOPS

576.0 GFLOPS

FP32 (float)

12.24 TFLOPS

-

FP64 (double)

764.8 GFLOPS

Board Design

45W

TDP

145W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Turks

GPU Name

Navi 22

Turks XT (215-0803000)

GPU Variant

Navi 22 XTM

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.716 billion

Transistors

17.2 billion

118 mm²

Die Size

335 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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