AMD Radeon RX 7800 vs AMD Radeon RX 8800 XT

VS

AMD Radeon RX 7800

AMD Radeon RX 8800 XT

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 and 16GB VRAM Radeon RX 8800 XT 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 15% (2800MHz vs 2430MHz)

AMD Radeon RX 8800 XT 's Advantages

Larger VRAM bandwidth (624.1GB/s vs 576.0GB/s)

256 additional rendering cores

Lower TDP (220W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 +87%

37.32 TFLOPS

Radeon RX 8800 XT

19.91 TFLOPS

Radeon RX 7800

VS

Radeon RX 8800 XT

Graphics Card

Jan 2023

Release Date

Unknown

Navi III

Generation

Navi IV(RX 8000)

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1800 MHz

Base Clock

1295 MHz

2800 MHz

Boost Clock

2430 MHz

2250 MHz

Memory Clock

2438 MHz

Memory

16GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

624.1GB/s

Render Config

60

Compute Units

64

-

3840

Shading Units

4096

240

TMUs

256

128

ROPs

96

-

60

RT Cores

64

128 KB per Array

L1 Cache

128 KB per Array

4 MB

L2 Cache

4 MB

64 MB

L3 Cache

64 MB

Theoretical Performance

358.4 GPixel/s

Pixel Rate

233.3 GPixel/s

672.0 GTexel/s

Texture Rate

622.1 GTexel/s

86.02 TFLOPS

FP16 (half)

39.81 TFLOPS

43.01 TFLOPS

FP32 (float)

19.91 TFLOPS

1344 GFLOPS

FP64 (double)

622.1 GFLOPS

Board Design

300W

TDP

220W

700 W

Suggested PSU

550 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 32

GPU Name

Navi 48

Navi 32 XT

GPU Variant

Navi 48 XT

RDNA 3.0

Architecture

RDNA 4.0

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

2.2

1.3

Vulkan

1.3

-

6.7

Shader Model

6.8

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