AMD Radeon RX 6800M vs AMD Radeon HD 8670M

VS

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 1024MB VRAM Radeon HD 8670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800M 's Advantages

Released 8 years and 2 months late

Boost Clock has increased by 145% (2390MHz vs 975MHz)

More VRAM (12GB vs 1GB)

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

2240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6800M +1861%

12.24 TFLOPS

Radeon HD 8670M

0.624 TFLOPS

Radeon RX 6800M

VS

Radeon HD 8670M

Graphics Card

May 2021

Release Date

Mar 2013

Mobility Radeon

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2116 MHz

Base Clock

925 MHz

2390 MHz

Boost Clock

975 MHz

2000 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

64bit

384.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

40

Compute Units

5

2560

Shading Units

320

160

TMUs

20

64

ROPs

8

-

Tensor Cores

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

128 KB

Theoretical Performance

153.0 GPixel/s

Pixel Rate

7.800 GPixel/s

382.4 GTexel/s

Texture Rate

19.50 GTexel/s

24.47 TFLOPS

FP16 (half)

-

12.24 TFLOPS

FP32 (float)

624.0 GFLOPS

764.8 GFLOPS

FP64 (double)

39.00 GFLOPS

Graphics Processor

Navi 22

GPU Name

Sun

Navi 22 XTM

GPU Variant

Sun S3 XT (216-0841009)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

0.69 billion

335 mm²

Die Size

56 mm²

Board Design

145W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

-

CUDA

-

6.5

Shader Model

6.5 (5.1)

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