AMD Radeon RX 6800 vs NVIDIA GeForce RTX 4080 16 GB

VS

AMD Radeon RX 6800

NVIDIA GeForce RTX 4080 16 GB

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 16GB VRAM GeForce RTX 4080 16 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 's Advantages

Lower TDP (250W vs 320W)

NVIDIA GeForce RTX 4080 16 GB 's Advantages

Released 1 years and 11 months late

Boost Clock has increased by 19% (2505MHz vs 2105MHz)

Larger VRAM bandwidth (716.8GB/s vs 512.0GB/s)

5888 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6800

16.17 TFLOPS

GeForce RTX 4080 16 GB +201%

48.74 TFLOPS

Radeon RX 6800

VS

GeForce RTX 4080 16 GB

Graphics Card

Oct 2020

Release Date

Sep 2022

Navi II

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1700 MHz

Base Clock

2205 MHz

2105 MHz

Boost Clock

2505 MHz

2000 MHz

Memory Clock

1400 MHz

Memory

16GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6X

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

716.8GB/s

Render Config

60

Compute Units

-

SM Count

76

3840

Shading Units

9728

240

TMUs

304

96

ROPs

112

-

Tensor Cores

304

60

RT Cores

76

128 KB per Array

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

64 MB

128 MB

L3 Cache

-

Theoretical Performance

202.1 GPixel/s

Pixel Rate

280.6 GPixel/s

505.2 GTexel/s

Texture Rate

761.5 GTexel/s

32.33 TFLOPS

FP16 (half)

48.74 TFLOPS

16.17 TFLOPS

FP32 (float)

48.74 TFLOPS

1010 GFLOPS

FP64 (double)

761.5 GFLOPS

Board Design

250W

TDP

320W

600 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

Navi 21

GPU Name

AD103

Navi 21 XL (215-121000187)

GPU Variant

AD103-300-A1

RDNA 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

7 nm

Process Size

4 nm

26.8 billion

Transistors

45.9 billion

520 mm²

Die Size

379 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.9

6.5

Shader Model

6.6

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