AMD Radeon HD 8870M vs NVIDIA RTX A4000 Max-Q

VS

AMD Radeon HD 8870M

NVIDIA RTX A4000 Max-Q

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 8GB VRAM RTX A4000 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 Max-Q 's Advantages

Released 8 years late

Boost Clock has increased by 80% (1395MHz vs 775MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (352.0GB/s vs 72.00GB/s)

4480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M

0.992 TFLOPS

RTX A4000 Max Q +1339%

14.28 TFLOPS

Radeon HD 8870M

VS

RTX A4000 Max Q

Graphics Card

Apr 2013

Release Date

Apr 2021

Solar System

Generation

Quadro Ampere-M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

725 MHz

Base Clock

780 MHz

775 MHz

Boost Clock

1395 MHz

1125 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

352.0GB/s

Render Config

10

Compute Units

-

SM Count

40

640

Shading Units

5120

40

TMUs

160

16

ROPs

80

-

Tensor Cores

160

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

111.6 GPixel/s

31.00 GTexel/s

Texture Rate

223.2 GTexel/s

-

FP16 (half)

14.28 TFLOPS

992.0 GFLOPS

FP32 (float)

14.28 TFLOPS

62.00 GFLOPS

FP64 (double)

223.2 GFLOPS

Board Design

Unknown

TDP

80W

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

GA104

Venus XT (216-0846000)

GPU Variant

-

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.5 billion

Transistors

17.4 billion

123 mm²

Die Size

392 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

8.6

6.5 (5.1)

Shader Model

6.7

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