AMD Radeon RX 6500M vs AMD Radeon HD 6990M

VS

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

Main Differences

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)

AMD Radeon HD 6990M 's Advantages

96 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6500M +206%

4.915 TFLOPS

Radeon HD 6990M

1.602 TFLOPS

Radeon RX 6500M

VS

Radeon HD 6990M

Graphics Card

Jan 2022

Release Date

Jul 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

MXM-B (3.0)

Clock Speeds

2000 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2250 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

256bit

144.0GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

16

Compute Units

14

1024

Shading Units

1120

64

TMUs

56

32

ROPs

32

-

Tensor Cores

-

16

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

Theoretical Performance

76.80 GPixel/s

Pixel Rate

22.88 GPixel/s

153.6 GTexel/s

Texture Rate

40.04 GTexel/s

9.830 TFLOPS

FP16 (half)

-

4.915 TFLOPS

FP32 (float)

1.602 TFLOPS

307.2 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 24

GPU Name

Blackcomb

Navi 24 XM

GPU Variant

Blackcomb XTX (216-0811030)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

1.7 billion

107 mm²

Die Size

212 mm²

Board Design

50W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.6

Shader Model

5.0

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