AMD Radeon RX 6800 vs AMD Radeon RX Vega Nano

VS

AMD Radeon RX 6800 AMD Radeon RX Vega Nano

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 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 6800 's Advantages

Boost Clock has increased by 36% (2105MHz vs 1546MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (512.0GB/s vs 409.6GB/s)

AMD Radeon RX Vega Nano 's Advantages

256 additional rendering cores

Lower TDP (175W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 +27%

16.17 TFLOPS

Radeon RX Vega Nano

12.66 TFLOPS

Radeon RX 6800

VS

Radeon RX Vega Nano

Graphics Card

Oct 2020

Release Date

Unknown

Navi II

Generation

Vega

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1700 MHz

Base Clock

1247 MHz

2105 MHz

Boost Clock

1546 MHz

2000 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

HBM2

256bit

Memory Bus

2048bit

512.0GB/s

Bandwidth

409.6GB/s

Render Config

-

SM Count

-

60

Compute Units

64

3840

Shading Units

4096

240

TMUs

256

96

ROPs

64

-

Tensor Cores

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

4 MB

Theoretical Performance

202.1 GPixel/s

Pixel Rate

98.94 GPixel/s

505.2 GTexel/s

Texture Rate

395.8 GTexel/s

32.33 TFLOPS

FP16 (half)

-

16.17 TFLOPS

FP32 (float)

12.66 TFLOPS

1010 GFLOPS

FP64 (double)

791.6 GFLOPS

Graphics Processor

Navi 21

GPU Name

Vega 10

Navi 21 XL (215-121000187)

GPU Variant

Vega 10 XT (215-0894200)

RDNA 2.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

26.8 billion

Transistors

12.5 billion

520 mm²

Die Size

495 mm²

Board Design

250W

TDP

175W

600 W

Suggested PSU

450 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

6.4

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