AMD Radeon RX 6600 XT vs NVIDIA GeForce 7800 GTX 512

VS

AMD Radeon RX 6600 XT

NVIDIA GeForce 7800 GTX 512

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 512MB VRAM GeForce 7800 GTX 512 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 15 years and 8 months late

Boost Clock2589MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (256.0GB/s vs 51.20GB/s)

2048 additional rendering cores

NVIDIA GeForce 7800 GTX 512 's Advantages

Lower TDP (108W vs 160W)

Score

Radeon RX 6600 XT

VS

GeForce 7800 GTX 512

Graphics Card

Jul 2021

Release Date

Nov 2005

Navi II

Generation

GeForce 7 PCIe

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

800 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

256bit

256.0GB/s

Bandwidth

51.20GB/s

Render Config

32

Compute Units

-

2048

Shading Units

-

128

TMUs

24

64

ROPs

16

-

32

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

-

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

8.000 GPixel/s

331.4 GTexel/s

Texture Rate

12.00 GTexel/s

21.21 TFLOPS

FP16 (half)

-

10.60 TFLOPS

FP32 (float)

-

662.8 GFLOPS

FP64 (double)

-

Board Design

160W

TDP

108W

450 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

G70

Navi 23 XT (215-130000006)

GPU Variant

GF-7800-GTX-512-A2

RDNA 2.0

Architecture

Curie

TSMC

Foundry

TSMC

7 nm

Process Size

110 nm

11.06 billion

Transistors

0.302 billion

237 mm²

Die Size

333 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

3.0

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