AMD Radeon RX 7800 vs AMD Radeon RX Vega Nano

VS

AMD Radeon RX 7800

AMD Radeon RX Vega Nano

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 and 8GB VRAM Radeon RX Vega Nano 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 81% (2800MHz vs 1546MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 409.6GB/s)

AMD Radeon RX Vega Nano 's Advantages

256 additional rendering cores

Lower TDP (175W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 +194%

37.32 TFLOPS

Radeon RX Vega Nano

12.66 TFLOPS

Radeon RX 7800

VS

Radeon RX Vega Nano

Graphics Card

Jan 2023

Release Date

Unknown

Navi III

Generation

Vega

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1800 MHz

Base Clock

1247 MHz

2800 MHz

Boost Clock

1546 MHz

2250 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

HBM2

256bit

Memory Bus

2048bit

576.0GB/s

Bandwidth

409.6GB/s

Render Config

60

Compute Units

64

-

3840

Shading Units

4096

240

TMUs

256

128

ROPs

64

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

4 MB

64 MB

L3 Cache

-

Theoretical Performance

358.4 GPixel/s

Pixel Rate

98.94 GPixel/s

672.0 GTexel/s

Texture Rate

395.8 GTexel/s

86.02 TFLOPS

FP16 (half)

-

43.01 TFLOPS

FP32 (float)

12.66 TFLOPS

1344 GFLOPS

FP64 (double)

791.6 GFLOPS

Board Design

300W

TDP

175W

700 W

Suggested PSU

450 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 32

GPU Name

Vega 10

Navi 32 XT

GPU Variant

Vega 10 XT (215-0894200)

RDNA 3.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

Unknown

Transistors

12.5 billion

346 mm²

Die Size

495 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2

-

6.7

Shader Model

6.4

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