AMD Radeon RX 6800 XT vs AMD Radeon RX 460

VS

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 2GB VRAM Radeon RX 460 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 XT 's Advantages

Released 4 years and 2 months late

Boost Clock has increased by 88% (2250MHz vs 1200MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 112.0GB/s)

3712 additional rendering cores

AMD Radeon RX 460 's Advantages

Lower TDP (75W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT +864%

20.74 TFLOPS

Radeon RX 460

2.15 TFLOPS

3DMark Time Spy

Radeon RX 6800 XT +1026%

19428

Radeon RX 460

1725

Shadow of the Tomb Raider 2160p

Radeon RX 6800 XT +2300%

72

Radeon RX 460

3

Shadow of the Tomb Raider 1440p

Radeon RX 6800 XT +1016%

134

Radeon RX 460

12

Shadow of the Tomb Raider 1080p

Radeon RX 6800 XT +754%

188

Radeon RX 460

22

Radeon RX 6800 XT

VS

Radeon RX 460

Graphics Card

Oct 2020

Release Date

Aug 2016

Navi II

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1825 MHz

Base Clock

1090 MHz

2250 MHz

Boost Clock

1200 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

112.0GB/s

Render Config

-

SM Count

-

72

Compute Units

14

4608

Shading Units

896

288

TMUs

56

128

ROPs

16

-

Tensor Cores

-

72

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

Theoretical Performance

288.0 GPixel/s

Pixel Rate

19.20 GPixel/s

648.0 GTexel/s

Texture Rate

67.20 GTexel/s

41.47 TFLOPS

FP16 (half)

2.150 TFLOPS

20.74 TFLOPS

FP32 (float)

2.150 TFLOPS

1296 GFLOPS

FP64 (double)

134.4 GFLOPS

Graphics Processor

Navi 21

GPU Name

Baffin

Navi 21 XT (215-121000177)

GPU Variant

Baffin PRO

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

26.8 billion

Transistors

3 billion

520 mm²

Die Size

123 mm²

Board Design

300W

TDP

75W

700 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

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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