NVIDIA RTX A4000 Max-Q vs AMD Radeon HD 8790M

VS

NVIDIA RTX A4000 Max-Q

AMD Radeon HD 8790M

We compared two Mobile platform GPUs: 8GB VRAM RTX A4000 Max Q and 2GB VRAM Radeon HD 8790M 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 55% (1395MHz vs 900MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (352.0GB/s vs 64.00GB/s)

4736 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A4000 Max Q +1966%

14.28 TFLOPS

Radeon HD 8790M

0.691 TFLOPS

RTX A4000 Max Q

VS

Radeon HD 8790M

Graphics Card

Apr 2021

Release Date

Apr 2013

Quadro Ampere-M

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

780 MHz

Base Clock

850 MHz

1395 MHz

Boost Clock

900 MHz

1375 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

352.0GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

40

SM Count

-

5120

Shading Units

384

160

TMUs

24

80

ROPs

8

160

Tensor Cores

-

40

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

111.6 GPixel/s

Pixel Rate

7.200 GPixel/s

223.2 GTexel/s

Texture Rate

21.60 GTexel/s

14.28 TFLOPS

FP16 (half)

-

14.28 TFLOPS

FP32 (float)

691.2 GFLOPS

223.2 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

80W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

Mars

-

GPU Variant

Mars M2 XTX (216-0842036)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

0.95 billion

392 mm²

Die Size

77 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

8.6

CUDA

-

6.7

Shader Model

6.5 (5.1)

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