AMD Radeon Pro V420 vs NVIDIA GeForce 6800 XT

VS

AMD Radeon Pro V420

NVIDIA GeForce 6800 XT

We compared two Desktop platform GPUs: 32GB VRAM AMD Radeon Pro V420 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 Pro V420 's Advantages

Boost Clock1700MHz

More VRAM (32GB vs 256GB)

Larger VRAM bandwidth (819.2GB/s vs 38.40GB/s)

4096 additional rendering cores

Score

AMD Radeon Pro V420

VS

GeForce 6800 XT

Graphics Card

Unknown

Release Date

Sep 2005

Radeon Pro Vega

Generation

GeForce 6 AGP

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

AGP 8x

Clock Speeds

800 MHz

Base Clock

-

1700 MHz

Boost Clock

-

800 MHz

Memory Clock

600 MHz

Memory

32GB

Memory Size

256MB

HBM2

Memory Type

GDDR3

4096bit

Memory Bus

256bit

819.2GB/s

Bandwidth

38.40GB/s

Render Config

64

Compute Units

-

4096

Shading Units

-

256

TMUs

12

64

ROPs

8

-

16 KB (per CU)

L1 Cache

-

4 MB

L2 Cache

-

Theoretical Performance

108.8 GPixel/s

Pixel Rate

3.600 GPixel/s

435.2 GTexel/s

Texture Rate

5.400 GTexel/s

27.85 TFLOPS

FP16 (half)

-

13.93 TFLOPS

FP32 (float)

-

6.963 TFLOPS

FP64 (double)

-

Board Design

300W

TDP

Unknown

700 W

Suggested PSU

200 W

6x mini-DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x Molex

Graphics Processor

Vega 20

GPU Name

NV42

Vega 20 GLXT WS (215-0914026)

GPU Variant

6800 XT

GCN 5.1

Architecture

Curie

TSMC

Foundry

TSMC

7 nm

Process Size

110 nm

13.23 billion

Transistors

0.202 billion

331 mm²

Die Size

222 mm²

Graphics Features

12 (12_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.0 (full) 2.1 (partial)

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

3.0

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