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

VS

AMD Radeon HD 6990M Rebrand

NVIDIA GeForce RTX 2080 Max Q

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 8GB VRAM GeForce RTX 2080 Max Q 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)

Radeon HD 6990M Rebrand

1.28 TFLOPS

GeForce RTX 2080 Max Q +403%

6.447 TFLOPS

Radeon HD 6990M Rebrand

VS

GeForce RTX 2080 Max Q

Graphics Card

Jul 2011

Release Date

Jan 2019

Vancouver

Generation

GeForce 20 Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

735 MHz

-

Boost Clock

1095 MHz

1100 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

70.40GB/s

Bandwidth

384.0GB/s

Render Config

14

Compute Units

-

SM Count

46

800

Shading Units

2944

40

TMUs

184

16

ROPs

64

-

Tensor Cores

368

-

RT Cores

46

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

70.08 GPixel/s

32.00 GTexel/s

Texture Rate

201.5 GTexel/s

-

FP16 (half)

12.89 TFLOPS

1280 GFLOPS

FP32 (float)

6.447 TFLOPS

-

FP64 (double)

201.5 GFLOPS

Board Design

100W

TDP

80W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Broadway

GPU Name

TU104

Broadway XTX

GPU Variant

N18E-G3-A1

TeraScale 2

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

1.04 billion

Transistors

13.6 billion

166 mm²

Die Size

545 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

7.5

5.0

Shader Model

6.6

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