AMD Radeon RX 6600 XT vs NVIDIA GeForce 8600 GT Mac Edition

VS

AMD Radeon RX 6600 XT

NVIDIA GeForce 8600 GT Mac Edition

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 128MB VRAM GeForce 8600 GT Mac Edition 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 128GB)

Larger VRAM bandwidth (256.0GB/s vs 24.00GB/s)

2016 additional rendering cores

NVIDIA GeForce 8600 GT Mac Edition 's Advantages

Lower TDP (47W vs 160W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +11297%

10.6 TFLOPS

GeForce 8600 GT Mac Edition

0.093 TFLOPS

Radeon RX 6600 XT

VS

GeForce 8600 GT Mac Edition

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

750 MHz

Memory

8GB

Memory Size

128MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

24.00GB/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

4.800 GPixel/s

331.4 GTexel/s

Texture Rate

9.600 GTexel/s

21.21 TFLOPS

FP16 (half)

-

10.60 TFLOPS

FP32 (float)

92.80 GFLOPS

662.8 GFLOPS

FP64 (double)

-

Board Design

160W

TDP

47W

450 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

G84

Navi 23 XT (215-130000006)

GPU Variant

G84-303-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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