AMD Radeon RX 6600S vs NVIDIA GeForce GTX 850A

VS

AMD Radeon RX 6600S NVIDIA GeForce GTX 850A

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6600S and 2GB VRAM GeForce GTX 850A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600S 's Advantages

Released 7 years and 10 months late

Boost Clock has increased by 114% (2000MHz vs 936MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 28.80GB/s)

1152 additional rendering cores

NVIDIA GeForce GTX 850A 's Advantages

Lower TDP (45W vs 80W)

Score

Benchmark

FP32 (float)

Radeon RX 6600S +498%

7.168 TFLOPS

GeForce GTX 850A

1.198 TFLOPS

Radeon RX 6600S

VS

GeForce GTX 850A

Graphics Card

Jan 2022

Release Date

Mar 2014

Mobility Radeon

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1700 MHz

Base Clock

902 MHz

2000 MHz

Boost Clock

936 MHz

1750 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

28

Compute Units

-

1792

Shading Units

640

112

TMUs

40

64

ROPs

16

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

2 MB

Theoretical Performance

128.0 GPixel/s

Pixel Rate

14.98 GPixel/s

224.0 GTexel/s

Texture Rate

37.44 GTexel/s

14.34 TFLOPS

FP16 (half)

-

7.168 TFLOPS

FP32 (float)

1198 GFLOPS

448.0 GFLOPS

FP64 (double)

37.44 GFLOPS

Graphics Processor

Navi 23

GPU Name

GM107

-

GPU Variant

N15P-GT-A1

RDNA 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

1.87 billion

237 mm²

Die Size

148 mm²

Board Design

80W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

5.0

6.5

Shader Model

5.1

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