NVIDIA GeForce RTX 5070 Ti Mobile vs AMD Radeon HD 8870M

VS

NVIDIA GeForce RTX 5070 Ti Mobile

AMD Radeon HD 8870M

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 5070 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 5070 Ti Mobile 's Advantages

Released 11 years and 9 months late

Boost Clock has increased by 225% (2520MHz vs 775MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (760.8GB/s vs 72.00GB/s)

5760 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 5070 Ti Mobile +3152%

32.26 TFLOPS

Radeon HD 8870M

0.992 TFLOPS

GeForce RTX 5070 Ti Mobile

VS

Radeon HD 8870M

Graphics Card

Jan 2025

Release Date

Apr 2013

GeForce 50 Mobile

Generation

Solar System

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2235 MHz

Base Clock

725 MHz

2520 MHz

Boost Clock

775 MHz

2500 MHz

Memory Clock

1125 MHz

Memory

12GB

Memory Size

2GB

GDDR7

Memory Type

GDDR5

192bit

Memory Bus

128bit

760.8GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

50

SM Count

-

6400

Shading Units

640

200

TMUs

40

64

ROPs

16

200

Tensor Cores

-

50

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

40 MB

L2 Cache

256 KB

-

Theoretical Performance

161.3 GPixel/s

Pixel Rate

12.40 GPixel/s

504.0 GTexel/s

Texture Rate

31.00 GTexel/s

32.26 TFLOPS

FP16 (half)

-

32.26 TFLOPS

FP32 (float)

992.0 GFLOPS

504.0 GFLOPS

FP64 (double)

62.00 GFLOPS

Board Design

140W

TDP

Unknown

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GB205

GPU Name

Venus

GB205

GPU Variant

Venus XT (216-0846000)

Blackwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

1.5 billion

Unknown

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

10.1

CUDA

-

6.8

Shader Model

6.5 (5.1)

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