AMD Radeon HD 6990M vs AMD Radeon RX 6500M

VS

AMD Radeon HD 6990M

AMD Radeon RX 6500M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 4GB VRAM Radeon RX 6500M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

96 additional rendering cores

AMD Radeon RX 6500M 's Advantages

Released 10 years and 6 months late

Boost Clock2400MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (144.0GB/s vs 115.2GB/s)

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M

1.602 TFLOPS

Radeon RX 6500M +206%

4.915 TFLOPS

Radeon HD 6990M

VS

Radeon RX 6500M

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

900 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

144.0GB/s

Render Config

14

Compute Units

16

-

1120

Shading Units

1024

56

TMUs

64

32

ROPs

32

-

RT Cores

16

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

22.88 GPixel/s

Pixel Rate

76.80 GPixel/s

40.04 GTexel/s

Texture Rate

153.6 GTexel/s

-

FP16 (half)

9.830 TFLOPS

1.602 TFLOPS

FP32 (float)

4.915 TFLOPS

-

FP64 (double)

307.2 GFLOPS

Board Design

100W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

Navi 24

Blackcomb XTX (216-0811030)

GPU Variant

Navi 24 XM

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

1.7 billion

Transistors

5.4 billion

212 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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