AMD Radeon RX 7900 XT vs NVIDIA GeForce 6800

VS

AMD Radeon RX 7900 XT

NVIDIA GeForce 6800

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 256MB VRAM GeForce 6800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XT 's Advantages

Released 18 years late

Boost Clock2394MHz

More VRAM (20GB vs 256GB)

Larger VRAM bandwidth (800.0GB/s vs 19.20GB/s)

5376 additional rendering cores

Score

Radeon RX 7900 XT

VS

GeForce 6800

Graphics Card

Nov 2022

Release Date

Nov 2004

Navi III

Generation

GeForce 6 PCIe

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1387 MHz

Base Clock

-

2394 MHz

Boost Clock

-

2500 MHz

Memory Clock

300 MHz

Memory

20GB

Memory Size

256MB

GDDR6

Memory Type

DDR

320bit

Memory Bus

256bit

800.0GB/s

Bandwidth

19.20GB/s

Render Config

84

Compute Units

-

5376

Shading Units

-

336

TMUs

12

192

ROPs

8

-

84

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

-

80 MB

L3 Cache

-

Theoretical Performance

459.6 GPixel/s

Pixel Rate

2.600 GPixel/s

804.4 GTexel/s

Texture Rate

3.900 GTexel/s

103.0 TFLOPS

FP16 (half)

-

51.48 TFLOPS

FP32 (float)

-

1.609 TFLOPS

FP64 (double)

-

Board Design

300W

TDP

Unknown

700 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

NV41

Navi 31 XT (215-145000156)

GPU Variant

-

RDNA 3.0

Architecture

Curie

TSMC

Foundry

TSMC

5 nm

Process Size

130 nm

57.7 billion

Transistors

0.19 billion

529 mm²

Die Size

225 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

9.0c (9_3)

4.6

OpenGL

2.0 (full) 2.1 (partial)

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

3.0

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