AMD Radeon RX 6600 XT vs NVIDIA GeForce 8800 GT Mac Edition

VS

AMD Radeon RX 6600 XT

NVIDIA GeForce 8800 GT Mac Edition

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 512MB VRAM GeForce 8800 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 13 years and 5 months late

Boost Clock2589MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (256.0GB/s vs 57.60GB/s)

1936 additional rendering cores

NVIDIA GeForce 8800 GT Mac Edition 's Advantages

Lower TDP (125W vs 160W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +3054%

10.6 TFLOPS

GeForce 8800 GT Mac Edition

0.336 TFLOPS

Radeon RX 6600 XT

VS

GeForce 8800 GT Mac Edition

Graphics Card

Jul 2021

Release Date

Feb 2008

Navi II

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1968 MHz

Base Clock

-

2589 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

256bit

256.0GB/s

Bandwidth

57.60GB/s

Render Config

32

Compute Units

-

SM Count

14

2048

Shading Units

112

128

TMUs

56

64

ROPs

16

-

32

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

64 KB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

9.600 GPixel/s

331.4 GTexel/s

Texture Rate

33.60 GTexel/s

21.21 TFLOPS

FP16 (half)

-

10.60 TFLOPS

FP32 (float)

336.0 GFLOPS

662.8 GFLOPS

FP64 (double)

-

Board Design

160W

TDP

125W

450 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 23

GPU Name

G92

Navi 23 XT (215-130000006)

GPU Variant

G92-270-A2

RDNA 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

7 nm

Process Size

65 nm

11.06 billion

Transistors

0.754 billion

237 mm²

Die Size

324 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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