NVIDIA GeForce RTX 2080 Max Q vs AMD Radeon HD 6990M Rebrand

VS

NVIDIA GeForce RTX 2080 Max Q

AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2080 Max Q and 1024MB VRAM Radeon HD 6990M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 Max Q 's Advantages

Released 7 years and 6 months late

Boost Clock1095MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 70.40GB/s)

2144 additional rendering cores

Lower TDP (80W vs 100W)

Score

Benchmark

FP32 (float)

GeForce RTX 2080 Max Q +403%

6.447 TFLOPS

Radeon HD 6990M Rebrand

1.28 TFLOPS

GeForce RTX 2080 Max Q

VS

Radeon HD 6990M Rebrand

Graphics Card

Jan 2019

Release Date

Jul 2011

GeForce 20 Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

735 MHz

Base Clock

-

1095 MHz

Boost Clock

-

1500 MHz

Memory Clock

1100 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

384.0GB/s

Bandwidth

70.40GB/s

Render Config

-

Compute Units

14

46

SM Count

-

2944

Shading Units

800

184

TMUs

40

64

ROPs

16

368

Tensor Cores

-

46

RT Cores

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

70.08 GPixel/s

Pixel Rate

12.80 GPixel/s

201.5 GTexel/s

Texture Rate

32.00 GTexel/s

12.89 TFLOPS

FP16 (half)

-

6.447 TFLOPS

FP32 (float)

1280 GFLOPS

201.5 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

TU104

GPU Name

Broadway

N18E-G3-A1

GPU Variant

Broadway XTX

Turing

Architecture

TeraScale 2

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

13.6 billion

Transistors

1.04 billion

545 mm²

Die Size

166 mm²

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

7.5

CUDA

-

6.6

Shader Model

5.0

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