NVIDIA GeForce RTX 3070 Ti Mobile vs AMD Radeon HD 8870M

VS

NVIDIA GeForce RTX 3070 Ti Mobile

AMD Radeon HD 8870M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3070 Ti Mobile and 2GB VRAM Radeon HD 8870M 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 8 years and 9 months late

Boost Clock has increased by 82% (1410MHz vs 775MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 72.00GB/s)

5248 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 3070 Ti Mobile +1573%

16.6 TFLOPS

Radeon HD 8870M

0.992 TFLOPS

GeForce RTX 3070 Ti Mobile

VS

Radeon HD 8870M

Graphics Card

Jan 2022

Release Date

Apr 2013

GeForce 30 Mobile

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

915 MHz

Base Clock

725 MHz

1410 MHz

Boost Clock

775 MHz

1750 MHz

Memory Clock

1125 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

46

SM Count

-

5888

Shading Units

640

184

TMUs

40

96

ROPs

16

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

135.4 GPixel/s

Pixel Rate

12.40 GPixel/s

259.4 GTexel/s

Texture Rate

31.00 GTexel/s

16.60 TFLOPS

FP16 (half)

-

16.60 TFLOPS

FP32 (float)

992.0 GFLOPS

259.4 GFLOPS

FP64 (double)

62.00 GFLOPS

Board Design

115W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

Venus

-

GPU Variant

Venus XT (216-0846000)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

1.5 billion

392 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

8.6

CUDA

-

6.6

Shader Model

6.5 (5.1)

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