NVIDIA GeForce RTX 3090 vs AMD Radeon RX 7800 XT

VS

NVIDIA GeForce RTX 3090 AMD Radeon RX 7800 XT

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 and 16GB VRAM Radeon RX 7800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3090 's Advantages

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (936.2GB/s vs 624.1GB/s)

6656 additional rendering cores

AMD Radeon RX 7800 XT 's Advantages

Released 2 years and 11 months late

Boost Clock has increased by 43% (2430MHz vs 1695MHz)

Lower TDP (263W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090

35.58 TFLOPS

Radeon RX 7800 XT +4%

37.32 TFLOPS

3DMark Time Spy

GeForce RTX 3090

19888

Radeon RX 7800 XT

20026

Shadow of the Tomb Raider 2160p

GeForce RTX 3090 +10%

93

Radeon RX 7800 XT

84

Shadow of the Tomb Raider 1440p

GeForce RTX 3090

154

Radeon RX 7800 XT +3%

160

Shadow of the Tomb Raider 1080p

GeForce RTX 3090

200

Radeon RX 7800 XT +24%

248

Cyberpunk 2077 2160p

GeForce RTX 3090 +53%

66

Radeon RX 7800 XT

43

Cyberpunk 2077 1440p

GeForce RTX 3090

79

Radeon RX 7800 XT +43%

113

Cyberpunk 2077 1080p

GeForce RTX 3090

114

Radeon RX 7800 XT +46%

167

GTA 5 2160p

GeForce RTX 3090

132

Radeon RX 7800 XT +6%

140

GTA 5 1440p

GeForce RTX 3090 +30%

182

Radeon RX 7800 XT

140

GTA 5 1080p

GeForce RTX 3090 +10%

209

Radeon RX 7800 XT

190

Horizon Forbidden West 1080p

GeForce RTX 3090 +7%

105

Radeon RX 7800 XT

98

Horizon Forbidden West 1440p

GeForce RTX 3090 +12%

91

Radeon RX 7800 XT

81

Horizon Forbidden West 2160p

GeForce RTX 3090 +7%

56

Radeon RX 7800 XT

52

GeForce RTX 3090

VS

Radeon RX 7800 XT

Graphics Card

Sep 2020

Release Date

Aug 2023

GeForce 30

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1395 MHz

Base Clock

1295 MHz

1695 MHz

Boost Clock

2430 MHz

1219 MHz

Memory Clock

2438 MHz

Memory

24GB

Memory Size

16GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

256bit

936.2GB/s

Bandwidth

624.1GB/s

Render Config

82

SM Count

-

Compute Units

60

10496

Shading Units

3840

328

TMUs

240

112

ROPs

96

328

Tensor Cores

-

82

RT Cores

60

128 KB (per SM)

L1 Cache

128 KB per Array

6 MB

L2 Cache

4 MB

Theoretical Performance

189.8 GPixel/s

Pixel Rate

233.3 GPixel/s

556.0 GTexel/s

Texture Rate

583.2 GTexel/s

35.58 TFLOPS

FP16 (half)

74.65 TFLOPS

35.58 TFLOPS

FP32 (float)

37.32 TFLOPS

556.0 GFLOPS

FP64 (double)

1166 GFLOPS

Graphics Processor

GA102

GPU Name

Navi 32

GA102-300-A1

GPU Variant

Navi 32 XT (215-180000006)

Ampere

Architecture

RDNA 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

5 nm

28.3 billion

Transistors

28.1 billion

628 mm²

Die Size

346 mm²

Board Design

350W

TDP

263W

750 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1a 3x DisplayPort 2.1

1x 12-pin

Power Connectors

2x 8-pin

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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