NVIDIA GeForce RTX 3080 12 GB vs AMD Radeon RX 6800 XT

VS

NVIDIA GeForce RTX 3080 12 GB

AMD Radeon RX 6800 XT

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 12 GB and 16GB VRAM Radeon RX 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 12 GB 's Advantages

Released 1 years and 3 months late

Larger VRAM bandwidth (912.4GB/s vs 512.0GB/s)

4352 additional rendering cores

AMD Radeon RX 6800 XT 's Advantages

Boost Clock has increased by 32% (2250MHz vs 1710MHz)

More VRAM (16GB vs 12GB)

Lower TDP (300W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 12 GB +47%

30.64 TFLOPS

Radeon RX 6800 XT

20.74 TFLOPS

3DMark Time Spy

GeForce RTX 3080 12 GB

18851

Radeon RX 6800 XT +3%

19441

Blender

GeForce RTX 3080 12 GB +109%

5543

Radeon RX 6800 XT

2650

Shadow of the Tomb Raider 2160p

GeForce RTX 3080 12 GB +22%

88

Radeon RX 6800 XT

72

Shadow of the Tomb Raider 1440p

GeForce RTX 3080 12 GB +12%

151

Radeon RX 6800 XT

134

Shadow of the Tomb Raider 1080p

GeForce RTX 3080 12 GB +1%

191

Radeon RX 6800 XT

188

Cyberpunk 2077 2160p

GeForce RTX 3080 12 GB +1%

61

Radeon RX 6800 XT

60

Cyberpunk 2077 1440p

GeForce RTX 3080 12 GB +4%

72

Radeon RX 6800 XT

69

Cyberpunk 2077 1080p

GeForce RTX 3080 12 GB +3%

106

Radeon RX 6800 XT

102

Battlefield 5 2160p

GeForce RTX 3080 12 GB +4%

109

Radeon RX 6800 XT

104

Battlefield 5 1440p

GeForce RTX 3080 12 GB +2%

184

Radeon RX 6800 XT

179

Battlefield 5 1080p

GeForce RTX 3080 12 GB

198

Radeon RX 6800 XT

199

GTA 5 2160p

GeForce RTX 3080 12 GB

94

Radeon RX 6800 XT +18%

111

GTA 5 1440p

GeForce RTX 3080 12 GB +2%

142

Radeon RX 6800 XT

138

GTA 5 1080p

GeForce RTX 3080 12 GB

172

Radeon RX 6800 XT +3%

178

GeForce RTX 3080 12 GB

VS

Radeon RX 6800 XT

Graphics Card

Jan 2022

Release Date

Oct 2020

GeForce 30

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1260 MHz

Base Clock

1825 MHz

1710 MHz

Boost Clock

2250 MHz

1188 MHz

Memory Clock

2000 MHz

Memory

12GB

Memory Size

16GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

256bit

912.4GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

72

70

SM Count

-

8960

Shading Units

4608

280

TMUs

288

96

ROPs

128

280

Tensor Cores

-

70

RT Cores

72

128 KB (per SM)

L1 Cache

128 KB per Array

5 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

164.2 GPixel/s

Pixel Rate

288.0 GPixel/s

478.8 GTexel/s

Texture Rate

648.0 GTexel/s

30.64 TFLOPS

FP16 (half)

41.47 TFLOPS

30.64 TFLOPS

FP32 (float)

20.74 TFLOPS

478.8 GFLOPS

FP64 (double)

1296 GFLOPS

Board Design

350W

TDP

300W

750 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 12-pin

Power Connectors

2x 8-pin

Graphics Processor

GA102

GPU Name

Navi 21

GA102-220-A1

GPU Variant

Navi 21 XT (215-121000177)

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

28.3 billion

Transistors

26.8 billion

628 mm²

Die Size

520 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.6

CUDA

-

6.6

Shader Model

6.5

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