AMD Radeon RX 7800 vs NVIDIA GeForce RTX 3090

VS

AMD Radeon RX 7800 NVIDIA GeForce RTX 3090

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

Main Differences

AMD Radeon RX 7800 's Advantages

Released 2 years and 4 months late

Boost Clock has increased by 65% (2800MHz vs 1695MHz)

Lower TDP (300W vs 350W)

NVIDIA GeForce RTX 3090 's Advantages

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (936.2GB/s vs 576.0GB/s)

6656 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7800 +4%

37.32 TFLOPS

GeForce RTX 3090

35.58 TFLOPS

Radeon RX 7800

VS

GeForce RTX 3090

Graphics Card

Jan 2023

Release Date

Sep 2020

Navi III

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1800 MHz

Base Clock

1395 MHz

2800 MHz

Boost Clock

1695 MHz

2250 MHz

Memory Clock

1219 MHz

Memory

16GB

Memory Size

24GB

GDDR6

Memory Type

GDDR6X

256bit

Memory Bus

384bit

576.0GB/s

Bandwidth

936.2GB/s

Render Config

-

SM Count

82

60

Compute Units

-

3840

Shading Units

10496

240

TMUs

328

128

ROPs

112

-

Tensor Cores

328

60

RT Cores

82

128 KB per Array

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

6 MB

Theoretical Performance

358.4 GPixel/s

Pixel Rate

189.8 GPixel/s

672.0 GTexel/s

Texture Rate

556.0 GTexel/s

86.02 TFLOPS

FP16 (half)

35.58 TFLOPS

43.01 TFLOPS

FP32 (float)

35.58 TFLOPS

1344 GFLOPS

FP64 (double)

556.0 GFLOPS

Graphics Processor

Navi 32

GPU Name

GA102

Navi 32 XT

GPU Variant

GA102-300-A1

RDNA 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

Unknown

Transistors

28.3 billion

346 mm²

Die Size

628 mm²

Board Design

300W

TDP

350W

700 W

Suggested PSU

750 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 12-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.7

Shader Model

6.6

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