AMD Radeon HD 8870M vs NVIDIA GeForce RTX 5090 Mobile

VS

AMD Radeon HD 8870M

NVIDIA GeForce RTX 5090 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 16GB VRAM GeForce RTX 5090 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5090 Mobile 's Advantages

Released 11 years and 9 months late

Boost Clock has increased by 158% (2000MHz vs 775MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (1.01TB/s vs 72.00GB/s)

10112 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M

0.992 TFLOPS

GeForce RTX 5090 Mobile +4235%

43.01 TFLOPS

Radeon HD 8870M

VS

GeForce RTX 5090 Mobile

Graphics Card

Apr 2013

Release Date

Jan 2025

Solar System

Generation

GeForce 50 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

725 MHz

Base Clock

1500 MHz

775 MHz

Boost Clock

2000 MHz

1125 MHz

Memory Clock

2500 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR7

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

1.01TB/s

Render Config

10

Compute Units

-

SM Count

84

640

Shading Units

10752

40

TMUs

336

16

ROPs

128

-

Tensor Cores

336

-

RT Cores

84

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

64 MB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

256.0 GPixel/s

31.00 GTexel/s

Texture Rate

672.0 GTexel/s

-

FP16 (half)

43.01 TFLOPS

992.0 GFLOPS

FP32 (float)

43.01 TFLOPS

62.00 GFLOPS

FP64 (double)

672.0 GFLOPS

Board Design

Unknown

TDP

175W

-

Suggested PSU

550 W

Portable Device Dependent

Outputs

1x HDMI 2.13x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

GB203

Venus XT (216-0846000)

GPU Variant

-

GCN 1.0

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

1.5 billion

Transistors

Unknown

123 mm²

Die Size

377 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

10.1

6.5 (5.1)

Shader Model

6.8

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