AMD Radeon RX 7900 GRE vs NVIDIA GeForce 6800 XT

VS

AMD Radeon RX 7900 GRE NVIDIA GeForce 6800 XT

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7900 GRE and 256MB VRAM GeForce 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 GRE 's Advantages

Released 17 years and 10 months late

Boost Clock2245MHz

Larger VRAM bandwidth (576.0GB/s vs 38.40GB/s)

5120 additional rendering cores

Score

Radeon RX 7900 GRE

VS

GeForce 6800 XT

Graphics Card

Jul 2023

Release Date

Sep 2005

Navi III

Generation

GeForce 6 AGP

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

AGP 8x

Clock Speeds

1287 MHz

Base Clock

-

2245 MHz

Boost Clock

-

2250 MHz

Memory Clock

600 MHz

Memory

16GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

38.40GB/s

Render Config

-

SM Count

-

80

Compute Units

-

5120

Shading Units

-

320

TMUs

12

160

ROPs

8

-

Tensor Cores

-

80

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

-

Theoretical Performance

359.2 GPixel/s

Pixel Rate

3.600 GPixel/s

718.4 GTexel/s

Texture Rate

5.400 GTexel/s

91.96 TFLOPS

FP16 (half)

-

45.98 TFLOPS

FP32 (float)

-

1437 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 31

GPU Name

NV42

Navi 31 XL

GPU Variant

6800 XT

RDNA 3.0

Architecture

Curie

TSMC

Foundry

TSMC

5 nm

Process Size

110 nm

57.7 billion

Transistors

0.202 billion

529 mm²

Die Size

222 mm²

Board Design

260W

TDP

Unknown

600 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

1x Molex

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

-

CUDA

-

6.7

Shader Model

3.0

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