AMD Radeon HD 6990M Rebrand vs AMD Radeon RX 6800M

VS

AMD Radeon HD 6990M Rebrand

AMD Radeon RX 6800M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 12GB VRAM Radeon RX 6800M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Lower TDP (100W vs 145W)

AMD Radeon RX 6800M 's Advantages

Released 9 years and 10 months late

Boost Clock2390MHz

More VRAM (12GB vs 1024GB)

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

1760 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand

1.28 TFLOPS

Radeon RX 6800M +856%

12.24 TFLOPS

Radeon HD 6990M Rebrand

VS

Radeon RX 6800M

Graphics Card

Jul 2011

Release Date

May 2021

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2116 MHz

-

Boost Clock

2390 MHz

1100 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

192bit

70.40GB/s

Bandwidth

384.0GB/s

Render Config

14

Compute Units

40

-

800

Shading Units

2560

40

TMUs

160

16

ROPs

64

-

RT Cores

40

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

153.0 GPixel/s

32.00 GTexel/s

Texture Rate

382.4 GTexel/s

-

FP16 (half)

24.47 TFLOPS

1280 GFLOPS

FP32 (float)

12.24 TFLOPS

-

FP64 (double)

764.8 GFLOPS

Board Design

100W

TDP

145W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Broadway

GPU Name

Navi 22

Broadway XTX

GPU Variant

Navi 22 XTM

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.04 billion

Transistors

17.2 billion

166 mm²

Die Size

335 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

Related GPU Comparisons

1

AMD Radeon HD 6990M Rebrand vs AMD Radeon R5 A320

2

AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce GTX 980M

3

AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce MX330

4

AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce GT 640M

5

AMD Radeon HD 6990M Rebrand vs AMD Radeon Pro WX Vega M GL

6

AMD Radeon HD 6990M Rebrand vs AMD Radeon R5 A330

7

AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce 720A

8

AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce GTX 980MX

9

AMD Radeon HD 6990M Rebrand vs AMD Radeon HD 6750M

10

AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce GT 650M Mac Edition

Related News

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game