AMD Radeon HD 8970M vs AMD Radeon RX 6800M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M 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 8970M 's Advantages

Lower TDP (100W vs 145W)

AMD Radeon RX 6800M 's Advantages

Released 8 years late

Boost Clock has increased by 166% (2390MHz vs 900MHz)

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 153.6GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8970M

2.304 TFLOPS

Radeon RX 6800M +431%

12.24 TFLOPS

Radeon HD 8970M

VS

Radeon RX 6800M

Graphics Card

May 2013

Release Date

May 2021

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

850 MHz

Base Clock

2116 MHz

900 MHz

Boost Clock

2390 MHz

1200 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

153.6GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

-

20

Compute Units

40

1280

Shading Units

2560

80

TMUs

160

32

ROPs

64

-

Tensor Cores

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

3 MB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

153.0 GPixel/s

72.00 GTexel/s

Texture Rate

382.4 GTexel/s

-

FP16 (half)

24.47 TFLOPS

2.304 TFLOPS

FP32 (float)

12.24 TFLOPS

144.0 GFLOPS

FP64 (double)

764.8 GFLOPS

Graphics Processor

Neptune

GPU Name

Navi 22

Neptune XT (216-0847000)

GPU Variant

Navi 22 XTM

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

17.2 billion

212 mm²

Die Size

335 mm²

Board Design

100W

TDP

145W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

5.1

Shader Model

6.5

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