AMD Radeon HD 6970M Mac Edition vs NVIDIA GeForce RTX 3080 Mobile

VS

AMD Radeon HD 6970M Mac Edition

NVIDIA GeForce RTX 3080 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition and 8GB VRAM GeForce RTX 3080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M Mac Edition 's Advantages

Lower TDP (75W vs 115W)

NVIDIA GeForce RTX 3080 Mobile 's Advantages

Released 9 years and 5 months late

Boost Clock1545MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 115.2GB/s)

5184 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6970M Mac Edition

1.306 TFLOPS

GeForce RTX 3080 Mobile +1353%

18.98 TFLOPS

Radeon HD 6970M Mac Edition

VS

GeForce RTX 3080 Mobile

Graphics Card

Aug 2011

Release Date

Jan 2021

Vancouver

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1110 MHz

-

Boost Clock

1545 MHz

900 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

448.0GB/s

Render Config

12

Compute Units

-

SM Count

48

960

Shading Units

6144

48

TMUs

192

32

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

21.76 GPixel/s

Pixel Rate

148.3 GPixel/s

32.64 GTexel/s

Texture Rate

296.6 GTexel/s

-

FP16 (half)

18.98 TFLOPS

1306 GFLOPS

FP32 (float)

18.98 TFLOPS

-

FP64 (double)

296.6 GFLOPS

Board Design

75W

TDP

115W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

GA104

Blackcomb XT (216-0811000)

GPU Variant

GA104-775-A1

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.7 billion

Transistors

17.4 billion

212 mm²

Die Size

392 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

5.0

Shader Model

6.6

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