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

VS

AMD Radeon HD 8670M

AMD Radeon RX 6850M XT

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 12GB VRAM Radeon RX 6850M XT 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 10 months late

Boost Clock has increased by 165% (2581MHz vs 975MHz)

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 14.40GB/s)

2240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M

0.624 TFLOPS

Radeon RX 6850M XT +2016%

13.21 TFLOPS

Radeon HD 8670M

VS

Radeon RX 6850M XT

Graphics Card

Mar 2013

Release Date

Jan 2022

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

925 MHz

Base Clock

2321 MHz

975 MHz

Boost Clock

2581 MHz

900 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

12GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

192bit

14.40GB/s

Bandwidth

384.0GB/s

Render Config

5

Compute Units

40

-

320

Shading Units

2560

20

TMUs

160

8

ROPs

64

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

7.800 GPixel/s

Pixel Rate

165.2 GPixel/s

19.50 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

624.0 GFLOPS

FP32 (float)

13.21 TFLOPS

39.00 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

Unknown

TDP

165W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Sun

GPU Name

Navi 22

Sun S3 XT (216-0841009)

GPU Variant

Navi 22 XTM

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

0.69 billion

Transistors

17.2 billion

56 mm²

Die Size

335 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.3

-

6.5 (5.1)

Shader Model

6.5

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