AMD Radeon RX 7800 vs NVIDIA GeForce RTX 5090

VS

AMD Radeon RX 7800

NVIDIA GeForce RTX 5090

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 and 32GB VRAM GeForce RTX 5090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 's Advantages

Boost Clock has increased by 11% (2800MHz vs 2520MHz)

Lower TDP (300W vs 500W)

NVIDIA GeForce RTX 5090 's Advantages

Released 2 years late

More VRAM (32GB vs 16GB)

Larger VRAM bandwidth (1.52TB/s vs 576.0GB/s)

17920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7800

37.32 TFLOPS

GeForce RTX 5090 +193%

109.7 TFLOPS

Radeon RX 7800

VS

GeForce RTX 5090

Graphics Card

Jan 2023

Release Date

Jan 2025

Navi III

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1800 MHz

Base Clock

2235 MHz

2800 MHz

Boost Clock

2520 MHz

2250 MHz

Memory Clock

1875 MHz

Memory

16GB

Memory Size

32GB

GDDR6

Memory Type

GDDR7

256bit

Memory Bus

512bit

576.0GB/s

Bandwidth

1.52TB/s

Render Config

60

Compute Units

-

SM Count

170

3840

Shading Units

21760

240

TMUs

680

128

ROPs

192

-

Tensor Cores

680

60

RT Cores

170

128 KB per Array

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

88 MB

64 MB

L3 Cache

-

Theoretical Performance

358.4 GPixel/s

Pixel Rate

483.8 GPixel/s

672.0 GTexel/s

Texture Rate

1714 GTexel/s

86.02 TFLOPS

FP16 (half)

109.7 TFLOPS

43.01 TFLOPS

FP32 (float)

109.7 TFLOPS

1344 GFLOPS

FP64 (double)

1.714 TFLOPS

Board Design

300W

TDP

500W

700 W

Suggested PSU

900 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

1x HDMI 2.1 3x DisplayPort 2.1a

2x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

Navi 32

GPU Name

GB202

Navi 32 XT

GPU Variant

GB202-400-A1

RDNA 3.0

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

Unknown

Transistors

Unknown

346 mm²

Die Size

Unknown

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

10.1

6.7

Shader Model

6.8

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