AMD Radeon HD 6870M vs NVIDIA GeForce RTX 5090 Mobile

VS

AMD Radeon HD 6870M

NVIDIA GeForce RTX 5090 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 16GB VRAM GeForce RTX 5090 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 175W)

NVIDIA GeForce RTX 5090 Mobile 's Advantages

Released 14 years late

Boost Clock2000MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (1.01TB/s vs 64.00GB/s)

9952 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870M

1.08 TFLOPS

GeForce RTX 5090 Mobile +3882%

43.01 TFLOPS

Radeon HD 6870M

VS

GeForce RTX 5090 Mobile

Graphics Card

Jan 2011

Release Date

Jan 2025

Vancouver

Generation

GeForce 50 Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 5.0 x16

Clock Speeds

-

Base Clock

1500 MHz

-

Boost Clock

2000 MHz

1000 MHz

Memory Clock

2500 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR7

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

1.01TB/s

Render Config

10

Compute Units

-

SM Count

84

800

Shading Units

10752

40

TMUs

336

16

ROPs

128

-

Tensor Cores

336

-

RT Cores

84

8 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

64 MB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

256.0 GPixel/s

27.00 GTexel/s

Texture Rate

672.0 GTexel/s

-

FP16 (half)

43.01 TFLOPS

1080 GFLOPS

FP32 (float)

43.01 TFLOPS

-

FP64 (double)

672.0 GFLOPS

Board Design

50W

TDP

175W

-

Suggested PSU

550 W

No outputs

Outputs

1x HDMI 2.13x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Granville

GPU Name

GB203

Granville XT (216-0769024)

GPU Variant

-

TeraScale 2

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

4 nm

1.04 billion

Transistors

Unknown

166 mm²

Die Size

377 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

10.1

5.0

Shader Model

6.8

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