NVIDIA GeForce RTX 4070 Max-Q vs AMD Radeon HD 8870M

VS

NVIDIA GeForce RTX 4070 Max-Q

AMD Radeon HD 8870M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Max Q 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 4070 Max-Q 's Advantages

Released 9 years and 9 months late

Boost Clock has increased by 59% (1230MHz vs 775MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 72.00GB/s)

3968 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4070 Max Q +1043%

11.34 TFLOPS

Radeon HD 8870M

0.992 TFLOPS

GeForce RTX 4070 Max Q

VS

Radeon HD 8870M

Graphics Card

Jan 2023

Release Date

Apr 2013

GeForce 40 Mobile

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

735 MHz

Base Clock

725 MHz

1230 MHz

Boost Clock

775 MHz

1750 MHz

Memory Clock

1125 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

36

SM Count

-

4608

Shading Units

640

144

TMUs

40

48

ROPs

16

144

Tensor Cores

-

36

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

32 MB

L2 Cache

256 KB

-

Theoretical Performance

59.04 GPixel/s

Pixel Rate

12.40 GPixel/s

177.1 GTexel/s

Texture Rate

31.00 GTexel/s

11.34 TFLOPS

FP16 (half)

-

11.34 TFLOPS

FP32 (float)

992.0 GFLOPS

177.1 GFLOPS

FP64 (double)

62.00 GFLOPS

Board Design

35W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

AD106

GPU Name

Venus

GN21-X6

GPU Variant

Venus XT (216-0846000)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

1.5 billion

190 mm²

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

8.9

CUDA

-

6.7

Shader Model

6.5 (5.1)

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