NVIDIA GeForce RTX 3080 Max Q vs AMD Radeon HD 6990M

VS

NVIDIA GeForce RTX 3080 Max Q

AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 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 GeForce RTX 3080 Max Q 's Advantages

Released 9 years and 6 months late

Boost Clock1245MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 115.2GB/s)

5024 additional rendering cores

Lower TDP (80W vs 100W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Max Q +855%

15.3 TFLOPS

Radeon HD 6990M

1.602 TFLOPS

GeForce RTX 3080 Max Q

VS

Radeon HD 6990M

Graphics Card

Jan 2021

Release Date

Jul 2011

GeForce 30 Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

780 MHz

Base Clock

-

1245 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

384.0GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

14

48

SM Count

-

6144

Shading Units

1120

192

TMUs

56

96

ROPs

32

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

-

Theoretical Performance

119.5 GPixel/s

Pixel Rate

22.88 GPixel/s

239.0 GTexel/s

Texture Rate

40.04 GTexel/s

15.30 TFLOPS

FP16 (half)

-

15.30 TFLOPS

FP32 (float)

1.602 TFLOPS

239.0 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

Blackcomb

GA104-775-A1

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

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

-

6.6

Shader Model

5.0

Related GPU Comparisons

1

NVIDIA GeForce RTX 3080 Max Q vs NVIDIA GeForce RTX 4050 Mobile

2

NVIDIA GeForce RTX 3080 Max Q vs NVIDIA GeForce GT 640M

3

NVIDIA GeForce RTX 3080 Max Q vs AMD Radeon HD 7590M

4

NVIDIA GeForce RTX 3080 Max Q vs AMD Radeon R7 M460

5

NVIDIA GeForce RTX 3080 Max Q vs NVIDIA GeForce GT 240M

6

NVIDIA GeForce RTX 3080 Max Q vs AMD Radeon RX 6800S

7

NVIDIA GeForce RTX 3080 Max Q vs AMD FirePro M5100

8

NVIDIA GeForce RTX 3080 Max Q vs NVIDIA GeForce GTX 950M

9

NVIDIA GeForce RTX 3080 Max Q vs NVIDIA GeForce 805A

10

NVIDIA GeForce RTX 3080 Max Q vs AMD Radeon Pro WX 4150 Mobile

Related News

1

CXMT Reportedly Achieves 80% Yield in DDR5 Production

2

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

3

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

4

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

5

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

6

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

7

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

8

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

9

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

10

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage