AMD Radeon HD 6990M Rebrand vs AMD Radeon RX 6300M

VS

AMD Radeon HD 6990M Rebrand

AMD Radeon RX 6300M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 2GB VRAM Radeon RX 6300M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

32 additional rendering cores

AMD Radeon RX 6300M 's Advantages

Released 10 years and 6 months late

Boost Clock2400MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (72.00GB/s vs 70.40GB/s)

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand

1.28 TFLOPS

Radeon RX 6300M +187%

3.686 TFLOPS

Radeon HD 6990M Rebrand

VS

Radeon RX 6300M

Graphics Card

Jul 2011

Release Date

Jan 2022

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

2000 MHz

-

Boost Clock

2400 MHz

1100 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

32bit

70.40GB/s

Bandwidth

72.00GB/s

Render Config

14

Compute Units

12

-

800

Shading Units

768

40

TMUs

48

16

ROPs

32

-

RT Cores

12

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

76.80 GPixel/s

32.00 GTexel/s

Texture Rate

115.2 GTexel/s

-

FP16 (half)

7.373 TFLOPS

1280 GFLOPS

FP32 (float)

3.686 TFLOPS

-

FP64 (double)

230.4 GFLOPS

Board Design

100W

TDP

35W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Broadway

GPU Name

Navi 24

Broadway XTX

GPU Variant

Navi 24 XML

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

1.04 billion

Transistors

5.4 billion

166 mm²

Die Size

107 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.6

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