AMD Radeon HD 7970M vs AMD Radeon RX 6800M

VS

AMD Radeon HD 7970M

AMD Radeon RX 6800M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M 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 7970M 's Advantages

Lower TDP (100W vs 145W)

AMD Radeon RX 6800M 's Advantages

Released 9 years and 1 months late

Boost Clock2390MHz

More VRAM (12GB vs 2GB)

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

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7970M

2.176 TFLOPS

Radeon RX 6800M +462%

12.24 TFLOPS

Radeon HD 7970M

VS

Radeon RX 6800M

Graphics Card

Apr 2012

Release Date

May 2021

London

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2116 MHz

-

Boost Clock

2390 MHz

1200 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

153.6GB/s

Bandwidth

384.0GB/s

Render Config

20

Compute Units

40

-

1280

Shading Units

2560

80

TMUs

160

32

ROPs

64

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

153.0 GPixel/s

68.00 GTexel/s

Texture Rate

382.4 GTexel/s

-

FP16 (half)

24.47 TFLOPS

2.176 TFLOPS

FP32 (float)

12.24 TFLOPS

136.0 GFLOPS

FP64 (double)

764.8 GFLOPS

Board Design

100W

TDP

145W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Wimbledon

GPU Name

Navi 22

Wimbledon XT (216-0836036)

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

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

-

5.1

Shader Model

6.5

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