AMD Radeon HD 8870M vs NVIDIA GeForce RTX 4080 Max-Q

VS

AMD Radeon HD 8870M

NVIDIA GeForce RTX 4080 Max-Q

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 12GB VRAM GeForce RTX 4080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Max-Q 's Advantages

Released 9 years and 9 months late

Boost Clock has increased by 74% (1350MHz vs 775MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (336.0GB/s vs 72.00GB/s)

6784 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M

0.992 TFLOPS

GeForce RTX 4080 Max Q +1920%

20.04 TFLOPS

Radeon HD 8870M

VS

GeForce RTX 4080 Max Q

Graphics Card

Apr 2013

Release Date

Jan 2023

Solar System

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

725 MHz

Base Clock

795 MHz

775 MHz

Boost Clock

1350 MHz

1125 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

192bit

72.00GB/s

Bandwidth

336.0GB/s

Render Config

10

Compute Units

-

SM Count

58

640

Shading Units

7424

40

TMUs

232

16

ROPs

80

-

Tensor Cores

232

-

RT Cores

58

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

48 MB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

108.0 GPixel/s

31.00 GTexel/s

Texture Rate

313.2 GTexel/s

-

FP16 (half)

20.04 TFLOPS

992.0 GFLOPS

FP32 (float)

20.04 TFLOPS

62.00 GFLOPS

FP64 (double)

313.2 GFLOPS

Board Design

Unknown

TDP

60W

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

AD104

Venus XT (216-0846000)

GPU Variant

GN21-X9

GCN 1.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

1.5 billion

Transistors

35.8 billion

123 mm²

Die Size

295 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

8.9

6.5 (5.1)

Shader Model

6.7

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