NVIDIA GeForce RTX 5070 Mobile vs AMD Radeon HD 6870M

VS

NVIDIA GeForce RTX 5070 Mobile

AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 5070 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 5070 Mobile 's Advantages

Released 14 years late

Boost Clock2520MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (507.2GB/s vs 64.00GB/s)

3808 additional rendering cores

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 5070 Mobile +2050%

23.22 TFLOPS

Radeon HD 6870M

1.08 TFLOPS

GeForce RTX 5070 Mobile

VS

Radeon HD 6870M

Graphics Card

Jan 2025

Release Date

Jan 2011

GeForce 50 Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

2500 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR7

Memory Type

GDDR5

128bit

Memory Bus

128bit

507.2GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

36

SM Count

-

4608

Shading Units

800

144

TMUs

40

48

ROPs

16

144

Tensor Cores

-

36

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

32 MB

L2 Cache

256 KB

-

Theoretical Performance

121.0 GPixel/s

Pixel Rate

10.80 GPixel/s

362.9 GTexel/s

Texture Rate

27.00 GTexel/s

23.22 TFLOPS

FP16 (half)

-

23.22 TFLOPS

FP32 (float)

1080 GFLOPS

362.9 GFLOPS

FP64 (double)

-

Board Design

115W

TDP

50W

300 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GB206

GPU Name

Granville

GB206

GPU Variant

Granville XT (216-0769024)

Blackwell 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

Unknown

Transistors

1.04 billion

Unknown

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

10.1

CUDA

-

6.8

Shader Model

5.0

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