AMD Radeon RX 6600 vs NVIDIA GeForce GTX 950

VS

AMD Radeon RX 6600 NVIDIA GeForce GTX 950

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 2GB VRAM GeForce GTX 950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 's Advantages

Released 6 years and 2 months late

Boost Clock has increased by 110% (2491MHz vs 1188MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 105.8GB/s)

1024 additional rendering cores

NVIDIA GeForce GTX 950 's Advantages

Lower TDP (90W vs 132W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 +389%

8.928 TFLOPS

GeForce GTX 950

1.825 TFLOPS

3DMark Time Spy

Radeon RX 6600 +332%

8083

GeForce GTX 950

1869

Shadow of the Tomb Raider 2160p

Radeon RX 6600 +580%

34

GeForce GTX 950

5

Shadow of the Tomb Raider 1440p

Radeon RX 6600 +255%

71

GeForce GTX 950

20

Shadow of the Tomb Raider 1080p

Radeon RX 6600 +320%

126

GeForce GTX 950

30

Radeon RX 6600

VS

GeForce GTX 950

Graphics Card

Oct 2021

Release Date

Aug 2015

Navi II

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1626 MHz

Base Clock

1024 MHz

2491 MHz

Boost Clock

1188 MHz

1750 MHz

Memory Clock

1653 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

105.8GB/s

Render Config

-

SM Count

-

28

Compute Units

-

1792

Shading Units

768

112

TMUs

48

64

ROPs

32

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

48 KB (per SMM)

2 MB

L2 Cache

1024 KB

Theoretical Performance

159.4 GPixel/s

Pixel Rate

38.02 GPixel/s

279.0 GTexel/s

Texture Rate

57.02 GTexel/s

17.86 TFLOPS

FP16 (half)

-

8.928 TFLOPS

FP32 (float)

1.825 TFLOPS

558.0 GFLOPS

FP64 (double)

57.02 GFLOPS

Graphics Processor

Navi 23

GPU Name

GM206

Navi 23 XL (215-130000016)

GPU Variant

GM206-250-A1

RDNA 2.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

2.94 billion

237 mm²

Die Size

228 mm²

Board Design

132W

TDP

90W

300 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

5.2

6.5

Shader Model

6.4

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