AMD Radeon RX 6900 XT vs NVIDIA GeForce 7800 GTX 512

VS

AMD Radeon RX 6900 XT

NVIDIA GeForce 7800 GTX 512

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 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 6900 XT 's Advantages

Released 14 years and 11 months late

Boost Clock2250MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 51.20GB/s)

5120 additional rendering cores

NVIDIA GeForce 7800 GTX 512 's Advantages

Lower TDP (108W vs 300W)

Score

Radeon RX 6900 XT

VS

GeForce 7800 GTX 512

Graphics Card

Oct 2020

Release Date

Nov 2005

Navi II

Generation

GeForce 7 PCIe

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2250 MHz

Boost Clock

-

2000 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

51.20GB/s

Render Config

80

Compute Units

-

5120

Shading Units

-

320

TMUs

24

128

ROPs

16

-

80

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

-

128 MB

L3 Cache

-

Theoretical Performance

288.0 GPixel/s

Pixel Rate

8.000 GPixel/s

720.0 GTexel/s

Texture Rate

12.00 GTexel/s

46.08 TFLOPS

FP16 (half)

-

23.04 TFLOPS

FP32 (float)

-

1440 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

108W

700 W

Suggested PSU

300 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

-

Graphics Processor

Navi 21

GPU Name

G70

Navi 21 XTX (215-121000167)

GPU Variant

GF-7800-GTX-512-A2

RDNA 2.0

Architecture

Curie

TSMC

Foundry

TSMC

7 nm

Process Size

110 nm

26.8 billion

Transistors

0.302 billion

520 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

-

6.5

Shader Model

3.0

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