AMD Radeon HD 8950M vs AMD Radeon RX 6600S

VS

AMD Radeon HD 8950M

AMD Radeon RX 6600S

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8950M and 4GB VRAM Radeon RX 6600S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600S 's Advantages

Released 8 years and 8 months late

Boost Clock2000MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 88.00GB/s)

1024 additional rendering cores

Lower TDP (80W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 8950M

1.651 TFLOPS

Radeon RX 6600S +334%

7.168 TFLOPS

Radeon HD 8950M

VS

Radeon RX 6600S

Graphics Card

May 2013

Release Date

Jan 2022

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1700 MHz

-

Boost Clock

2000 MHz

1375 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

88.00GB/s

Bandwidth

224.0GB/s

Render Config

12

Compute Units

28

-

768

Shading Units

1792

48

TMUs

112

16

ROPs

64

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

17.20 GPixel/s

Pixel Rate

128.0 GPixel/s

51.60 GTexel/s

Texture Rate

224.0 GTexel/s

-

FP16 (half)

14.34 TFLOPS

1.651 TFLOPS

FP32 (float)

7.168 TFLOPS

103.2 GFLOPS

FP64 (double)

448.0 GFLOPS

Board Design

100W

TDP

80W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Saturn

GPU Name

Navi 23

Saturn XT

GPU Variant

-

GCN 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.08 billion

Transistors

11.06 billion

160 mm²

Die Size

237 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.3

-

6.3

Shader Model

6.5

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