AMD Radeon RX 6800 vs AMD Radeon RX 460

VS

AMD Radeon RX 6800

AMD Radeon RX 460

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

Released 4 years and 2 months late

Boost Clock has increased by 75% (2105MHz vs 1200MHz)

More VRAM (16GB vs 2GB)

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

2944 additional rendering cores

AMD Radeon RX 460 's Advantages

Lower TDP (75W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 +652%

16.17 TFLOPS

Radeon RX 460

2.15 TFLOPS

3DMark Time Spy

Radeon RX 6800 +838%

16233

Radeon RX 460

1730

Shadow of the Tomb Raider 2160p

Radeon RX 6800 +2066%

65

Radeon RX 460

3

Shadow of the Tomb Raider 1440p

Radeon RX 6800 +875%

117

Radeon RX 460

12

Shadow of the Tomb Raider 1080p

Radeon RX 6800 +663%

168

Radeon RX 460

22

Radeon RX 6800

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

1700 MHz

Base Clock

1090 MHz

2105 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

60

Compute Units

14

-

3840

Shading Units

896

240

TMUs

56

96

ROPs

16

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

128 MB

L3 Cache

-

Theoretical Performance

202.1 GPixel/s

Pixel Rate

19.20 GPixel/s

505.2 GTexel/s

Texture Rate

67.20 GTexel/s

32.33 TFLOPS

FP16 (half)

2.150 TFLOPS

16.17 TFLOPS

FP32 (float)

2.150 TFLOPS

1010 GFLOPS

FP64 (double)

134.4 GFLOPS

Board Design

250W

TDP

75W

600 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 Processor

Navi 21

GPU Name

Baffin

Navi 21 XL (215-121000187)

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

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

-

6.5

Shader Model

6.4

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