AMD Radeon HD 6870M vs NVIDIA GeForce RTX 5070 Mobile

VS

AMD Radeon HD 6870M

NVIDIA GeForce RTX 5070 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 8GB VRAM GeForce RTX 5070 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 115W)

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

Score

Benchmark

FP32 (float)

Radeon HD 6870M

1.08 TFLOPS

GeForce RTX 5070 Mobile +2050%

23.22 TFLOPS

Radeon HD 6870M

VS

GeForce RTX 5070 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

2235 MHz

-

Boost Clock

2520 MHz

1000 MHz

Memory Clock

2500 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR7

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

507.2GB/s

Render Config

10

Compute Units

-

SM Count

36

800

Shading Units

4608

40

TMUs

144

16

ROPs

48

-

Tensor Cores

144

-

RT Cores

36

8 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

32 MB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

121.0 GPixel/s

27.00 GTexel/s

Texture Rate

362.9 GTexel/s

-

FP16 (half)

23.22 TFLOPS

1080 GFLOPS

FP32 (float)

23.22 TFLOPS

-

FP64 (double)

362.9 GFLOPS

Board Design

50W

TDP

115W

-

Suggested PSU

300 W

No outputs

Outputs

1x HDMI 2.13x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Granville

GPU Name

GB206

Granville XT (216-0769024)

GPU Variant

GB206

TeraScale 2

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

4 nm

1.04 billion

Transistors

Unknown

166 mm²

Die Size

Unknown

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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