AMD Radeon HD 6870M vs NVIDIA GeForce RTX 3060 Mobile

VS

AMD Radeon HD 6870M

NVIDIA GeForce RTX 3060 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 6GB VRAM GeForce RTX 3060 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 60W)

NVIDIA GeForce RTX 3060 Mobile 's Advantages

Released 10 years late

Boost Clock1425MHz

More VRAM (6GB vs 1024GB)

Larger VRAM bandwidth (336.0GB/s vs 64.00GB/s)

3040 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870M

1.08 TFLOPS

GeForce RTX 3060 Mobile +912%

10.94 TFLOPS

Radeon HD 6870M

VS

GeForce RTX 3060 Mobile

Graphics Card

Jan 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

900 MHz

-

Boost Clock

1425 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

6GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

192bit

64.00GB/s

Bandwidth

336.0GB/s

Render Config

10

Compute Units

-

SM Count

30

800

Shading Units

3840

40

TMUs

120

16

ROPs

48

-

Tensor Cores

120

-

RT Cores

30

8 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

3 MB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

68.40 GPixel/s

27.00 GTexel/s

Texture Rate

171.0 GTexel/s

-

FP16 (half)

10.94 TFLOPS

1080 GFLOPS

FP32 (float)

10.94 TFLOPS

-

FP64 (double)

171.0 GFLOPS

Board Design

50W

TDP

60-115W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Granville

GPU Name

GA106

Granville XT (216-0769024)

GPU Variant

-

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.04 billion

Transistors

12 billion

166 mm²

Die Size

276 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

6.7

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