NVIDIA GeForce RTX 3090 vs AMD Radeon RX 7900 XT

VS

NVIDIA GeForce RTX 3090

AMD Radeon RX 7900 XT

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 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 3090 's Advantages

More VRAM (24GB vs 20GB)

Larger VRAM bandwidth (936.2GB/s vs 800.0GB/s)

5120 additional rendering cores

AMD Radeon RX 7900 XT 's Advantages

Released 2 years and 2 months late

Boost Clock has increased by 41% (2394MHz vs 1695MHz)

Lower TDP (300W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090

35.58 TFLOPS

Radeon RX 7900 XT +44%

51.48 TFLOPS

3DMark Time Spy

GeForce RTX 3090

19948

Radeon RX 7900 XT +34%

26911

Shadow of the Tomb Raider 2160p

GeForce RTX 3090

93

Radeon RX 7900 XT +9%

102

Shadow of the Tomb Raider 1440p

GeForce RTX 3090

154

Radeon RX 7900 XT +33%

205

Shadow of the Tomb Raider 1080p

GeForce RTX 3090

200

Radeon RX 7900 XT +49%

299

Cyberpunk 2077 2160p

GeForce RTX 3090 +32%

66

Radeon RX 7900 XT

50

Cyberpunk 2077 1440p

GeForce RTX 3090

79

Radeon RX 7900 XT +18%

94

Cyberpunk 2077 1080p

GeForce RTX 3090

114

Radeon RX 7900 XT +38%

158

GTA 5 2160p

GeForce RTX 3090

131

Radeon RX 7900 XT +29%

170

GTA 5 1440p

GeForce RTX 3090 +7%

182

Radeon RX 7900 XT

170

GTA 5 1080p

GeForce RTX 3090 +10%

209

Radeon RX 7900 XT

190

Horizon Forbidden West 1080p

GeForce RTX 3090

105

Radeon RX 7900 XT +24%

131

Horizon Forbidden West 1440p

GeForce RTX 3090

91

Radeon RX 7900 XT +15%

105

Horizon Forbidden West 2160p

GeForce RTX 3090

56

Radeon RX 7900 XT +21%

68

GeForce RTX 3090

VS

Radeon RX 7900 XT

Graphics Card

Sep 2020

Release Date

Nov 2022

GeForce 30

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1395 MHz

Base Clock

1387 MHz

1695 MHz

Boost Clock

2394 MHz

1219 MHz

Memory Clock

2500 MHz

Memory

24GB

Memory Size

20GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

320bit

936.2GB/s

Bandwidth

800.0GB/s

Render Config

-

Compute Units

84

82

SM Count

-

10496

Shading Units

5376

328

TMUs

336

112

ROPs

192

328

Tensor Cores

-

82

RT Cores

84

128 KB (per SM)

L1 Cache

256 KB per Array

6 MB

L2 Cache

6 MB

-

L3 Cache

80 MB

Theoretical Performance

189.8 GPixel/s

Pixel Rate

459.6 GPixel/s

556.0 GTexel/s

Texture Rate

804.4 GTexel/s

35.58 TFLOPS

FP16 (half)

103.0 TFLOPS

35.58 TFLOPS

FP32 (float)

51.48 TFLOPS

556.0 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

GA102-300-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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