NVIDIA RTX A4000 Max-Q vs AMD Radeon HD 6990M

VS

NVIDIA RTX A4000 Max-Q AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 8GB VRAM RTX A4000 Max Q and 2GB VRAM Radeon HD 6990M 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 9 years and 9 months late

Boost Clock1395MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (352.0GB/s vs 115.2GB/s)

4000 additional rendering cores

Lower TDP (80W vs 100W)

Score

Benchmark

FP32 (float)

RTX A4000 Max Q +791%

14.28 TFLOPS

Radeon HD 6990M

1.602 TFLOPS

RTX A4000 Max Q

VS

Radeon HD 6990M

Graphics Card

Apr 2021

Release Date

Jul 2011

Quadro Ampere-M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

780 MHz

Base Clock

-

1395 MHz

Boost Clock

-

1375 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

352.0GB/s

Bandwidth

115.2GB/s

Render Config

40

SM Count

-

Compute Units

14

5120

Shading Units

1120

160

TMUs

56

80

ROPs

32

160

Tensor Cores

-

40

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

Theoretical Performance

111.6 GPixel/s

Pixel Rate

22.88 GPixel/s

223.2 GTexel/s

Texture Rate

40.04 GTexel/s

14.28 TFLOPS

FP16 (half)

-

14.28 TFLOPS

FP32 (float)

1.602 TFLOPS

223.2 GFLOPS

FP64 (double)

-

Graphics Processor

GA104

GPU Name

Blackcomb

-

GPU Variant

Blackcomb XTX (216-0811030)

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

17.4 billion

Transistors

1.7 billion

392 mm²

Die Size

212 mm²

Board Design

80W

TDP

100W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.6

CUDA

-

6.7

Shader Model

5.0

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