AMD Radeon RX 6700M vs AMD Radeon HD 8670A

VS

We compared two Mobile platform GPUs: 10GB VRAM Radeon RX 6700M and 1024MB VRAM Radeon HD 8670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6700M 's Advantages

Released 8 years and 3 months late

Boost Clock2400MHz

More VRAM (10GB vs 1GB)

Larger VRAM bandwidth (320.0GB/s vs 16.00GB/s)

1920 additional rendering cores

AMD Radeon HD 8670A 's Advantages

Lower TDP (45W vs 135W)

Score

Benchmark

FP32 (float)

Radeon RX 6700M +2299%

11.06 TFLOPS

Radeon HD 8670A

0.461 TFLOPS

Radeon RX 6700M

VS

Radeon HD 8670A

Graphics Card

May 2021

Release Date

Feb 2013

Mobility Radeon

Generation

All-In-One

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

1489 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

10GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

160bit

Memory Bus

64bit

320.0GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

36

Compute Units

6

2304

Shading Units

384

144

TMUs

24

64

ROPs

8

-

Tensor Cores

-

36

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

128 KB

Theoretical Performance

153.6 GPixel/s

Pixel Rate

4.800 GPixel/s

345.6 GTexel/s

Texture Rate

14.40 GTexel/s

22.12 TFLOPS

FP16 (half)

-

11.06 TFLOPS

FP32 (float)

460.8 GFLOPS

691.2 GFLOPS

FP64 (double)

28.80 GFLOPS

Graphics Processor

Navi 22

GPU Name

Mars

Navi 22

GPU Variant

Mars XT

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

0.95 billion

335 mm²

Die Size

77 mm²

Board Design

135W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

5.1

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