AMD Radeon RX 6600 XT vs NVIDIA GeForce 8600 GTS

VS

AMD Radeon RX 6600 XT

NVIDIA GeForce 8600 GTS

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 256MB VRAM GeForce 8600 GTS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

Released 14 years and 3 months late

Boost Clock2589MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (256.0GB/s vs 32.00GB/s)

2016 additional rendering cores

NVIDIA GeForce 8600 GTS 's Advantages

Lower TDP (60W vs 160W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +11297%

10.6 TFLOPS

GeForce 8600 GTS

0.093 TFLOPS

Radeon RX 6600 XT

VS

GeForce 8600 GTS

Graphics Card

Jul 2021

Release Date

Apr 2007

Navi II

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

1968 MHz

Base Clock

-

2589 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

32.00GB/s

Render Config

32

Compute Units

-

SM Count

4

2048

Shading Units

32

128

TMUs

16

64

ROPs

8

-

32

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

32 KB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

5.400 GPixel/s

331.4 GTexel/s

Texture Rate

10.80 GTexel/s

21.21 TFLOPS

FP16 (half)

-

10.60 TFLOPS

FP32 (float)

92.80 GFLOPS

662.8 GFLOPS

FP64 (double)

-

Board Design

160W

TDP

60W

450 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 23

GPU Name

G84

Navi 23 XT (215-130000006)

GPU Variant

G84-400-A2

RDNA 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

7 nm

Process Size

80 nm

11.06 billion

Transistors

0.289 billion

237 mm²

Die Size

169 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.1

6.7

Shader Model

4.0

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