AMD Radeon RX 6800 XT vs NVIDIA GeForce GTX 480 Core 512

VS

AMD Radeon RX 6800 XT NVIDIA GeForce GTX 480 Core 512

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 1536MB VRAM GeForce GTX 480 Core 512 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 XT 's Advantages

Boost Clock2250MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (512.0GB/s vs 134.4GB/s)

4096 additional rendering cores

Lower TDP (300W vs 375W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT +1823%

20.74 TFLOPS

GeForce GTX 480 Core 512

1.078 TFLOPS

Radeon RX 6800 XT

VS

GeForce GTX 480 Core 512

Graphics Card

Oct 2020

Release Date

Unknown

Navi II

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2250 MHz

Boost Clock

-

2000 MHz

Memory Clock

700 MHz

Memory

16GB

Memory Size

1536MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

512.0GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

16

72

Compute Units

-

4608

Shading Units

512

288

TMUs

64

128

ROPs

48

-

Tensor Cores

-

72

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

768 KB

Theoretical Performance

288.0 GPixel/s

Pixel Rate

16.86 GPixel/s

648.0 GTexel/s

Texture Rate

33.73 GTexel/s

41.47 TFLOPS

FP16 (half)

-

20.74 TFLOPS

FP32 (float)

1078 GFLOPS

1296 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 21

GPU Name

GF100

Navi 21 XT (215-121000177)

GPU Variant

GF100-ES-DT1-A2

RDNA 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

3.1 billion

520 mm²

Die Size

529 mm²

Board Design

300W

TDP

375W

700 W

Suggested PSU

750 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.0

6.5

Shader Model

5.1

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