NVIDIA GeForce RTX 3070 Ti Mobile vs AMD Radeon HD 6870M

VS

NVIDIA GeForce RTX 3070 Ti Mobile

AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3070 Ti Mobile and 1024MB VRAM Radeon HD 6870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3070 Ti Mobile 's Advantages

Released 11 years late

Boost Clock1410MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 64.00GB/s)

5088 additional rendering cores

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3070 Ti Mobile +1437%

16.6 TFLOPS

Radeon HD 6870M

1.08 TFLOPS

GeForce RTX 3070 Ti Mobile

VS

Radeon HD 6870M

Graphics Card

Jan 2022

Release Date

Jan 2011

GeForce 30 Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

915 MHz

Base Clock

-

1410 MHz

Boost Clock

-

1750 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

46

SM Count

-

5888

Shading Units

800

184

TMUs

40

96

ROPs

16

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

135.4 GPixel/s

Pixel Rate

10.80 GPixel/s

259.4 GTexel/s

Texture Rate

27.00 GTexel/s

16.60 TFLOPS

FP16 (half)

-

16.60 TFLOPS

FP32 (float)

1080 GFLOPS

259.4 GFLOPS

FP64 (double)

-

Board Design

115W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

Granville

-

GPU Variant

Granville XT (216-0769024)

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

17.4 billion

Transistors

1.04 billion

392 mm²

Die Size

166 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

5.0

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