AMD Radeon RX 6850M XT vs AMD Radeon HD 8670A

VS

AMD Radeon RX 6850M XT

AMD Radeon HD 8670A

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6850M XT 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 6850M XT 's Advantages

Released 8 years and 11 months late

Boost Clock2581MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 16.00GB/s)

2176 additional rendering cores

AMD Radeon HD 8670A 's Advantages

Lower TDP (45W vs 165W)

Score

Benchmark

FP32 (float)

Radeon RX 6850M XT +2765%

13.21 TFLOPS

Radeon HD 8670A

0.461 TFLOPS

Radeon RX 6850M XT

VS

Radeon HD 8670A

Graphics Card

Jan 2022

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

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

64bit

384.0GB/s

Bandwidth

16.00GB/s

Render Config

40

Compute Units

6

-

2560

Shading Units

384

160

TMUs

24

64

ROPs

8

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

128 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

4.800 GPixel/s

413.0 GTexel/s

Texture Rate

14.40 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

460.8 GFLOPS

825.9 GFLOPS

FP64 (double)

28.80 GFLOPS

Board Design

165W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 22

GPU Name

Mars

Navi 22 XTM

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

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

-

6.5

Shader Model

5.1

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