NVIDIA GeForce RTX 3080 12 GB vs AMD Radeon RX 7900 XT

VS

NVIDIA GeForce RTX 3080 12 GB

AMD Radeon RX 7900 XT

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 12 GB and 20GB VRAM Radeon RX 7900 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

Larger VRAM bandwidth (912.4GB/s vs 800.0GB/s)

3584 additional rendering cores

AMD Radeon RX 7900 XT 's Advantages

Released 10 months late

Boost Clock has increased by 40% (2394MHz vs 1710MHz)

More VRAM (20GB vs 12GB)

Lower TDP (300W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 12 GB

30.64 TFLOPS

Radeon RX 7900 XT +68%

51.48 TFLOPS

3DMark Time Spy

GeForce RTX 3080 12 GB

18851

Radeon RX 7900 XT +42%

26911

Blender

GeForce RTX 3080 12 GB +41%

5543

Radeon RX 7900 XT

3905

Shadow of the Tomb Raider 2160p

GeForce RTX 3080 12 GB

88

Radeon RX 7900 XT +15%

102

Shadow of the Tomb Raider 1440p

GeForce RTX 3080 12 GB

151

Radeon RX 7900 XT +35%

205

Shadow of the Tomb Raider 1080p

GeForce RTX 3080 12 GB

191

Radeon RX 7900 XT +56%

299

Cyberpunk 2077 2160p

GeForce RTX 3080 12 GB +22%

61

Radeon RX 7900 XT

50

Cyberpunk 2077 1440p

GeForce RTX 3080 12 GB

72

Radeon RX 7900 XT +30%

94

Cyberpunk 2077 1080p

GeForce RTX 3080 12 GB

106

Radeon RX 7900 XT +49%

158

GTA 5 2160p

GeForce RTX 3080 12 GB

94

Radeon RX 7900 XT +80%

170

GTA 5 1440p

GeForce RTX 3080 12 GB

142

Radeon RX 7900 XT +19%

170

GTA 5 1080p

GeForce RTX 3080 12 GB

172

Radeon RX 7900 XT +10%

190

GeForce RTX 3080 12 GB

VS

Radeon RX 7900 XT

Graphics Card

Jan 2022

Release Date

Nov 2022

GeForce 30

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1260 MHz

Base Clock

1387 MHz

1710 MHz

Boost Clock

2394 MHz

1188 MHz

Memory Clock

2500 MHz

Memory

12GB

Memory Size

20GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

320bit

912.4GB/s

Bandwidth

800.0GB/s

Render Config

-

Compute Units

84

70

SM Count

-

8960

Shading Units

5376

280

TMUs

336

96

ROPs

192

280

Tensor Cores

-

70

RT Cores

84

128 KB (per SM)

L1 Cache

256 KB per Array

5 MB

L2 Cache

6 MB

-

L3 Cache

80 MB

Theoretical Performance

164.2 GPixel/s

Pixel Rate

459.6 GPixel/s

478.8 GTexel/s

Texture Rate

804.4 GTexel/s

30.64 TFLOPS

FP16 (half)

103.0 TFLOPS

30.64 TFLOPS

FP32 (float)

51.48 TFLOPS

478.8 GFLOPS

FP64 (double)

1.609 TFLOPS

Board Design

350W

TDP

300W

750 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 12-pin

Power Connectors

2x 8-pin

Graphics Processor

GA102

GPU Name

Navi 31

GA102-220-A1

GPU Variant

Navi 31 XT (215-145000156)

Ampere

Architecture

RDNA 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

5 nm

28.3 billion

Transistors

57.7 billion

628 mm²

Die Size

529 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

8.6

CUDA

-

6.6

Shader Model

6.7

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