AMD Radeon RX 460 1024SP vs AMD Radeon RX 6900 XTX

VS

AMD Radeon RX 460 1024SP

AMD Radeon RX 6900 XTX

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 460 1024SP and 16GB VRAM Radeon RX 6900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 460 1024SP 's Advantages

Lower TDP (75W vs 330W)

AMD Radeon RX 6900 XTX 's Advantages

Boost Clock has increased by 103% (2435MHz vs 1200MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 112.0GB/s)

4096 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 460 1024SP

2.458 TFLOPS

Radeon RX 6900 XTX +914%

24.93 TFLOPS

Radeon RX 460 1024SP

VS

Radeon RX 6900 XTX

Graphics Card

Jan 2017

Release Date

Unknown

Arctic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1090 MHz

Base Clock

2075 MHz

1200 MHz

Boost Clock

2435 MHz

1750 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

576.0GB/s

Render Config

16

Compute Units

80

-

1024

Shading Units

5120

64

TMUs

320

16

ROPs

128

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

19.20 GPixel/s

Pixel Rate

311.7 GPixel/s

76.80 GTexel/s

Texture Rate

779.2 GTexel/s

2.458 TFLOPS

FP16 (half)

49.87 TFLOPS

2.458 TFLOPS

FP32 (float)

24.93 TFLOPS

153.6 GFLOPS

FP64 (double)

1.558 TFLOPS

Board Design

75W

TDP

330W

250 W

Suggested PSU

700 W

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

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Processor

Baffin

GPU Name

Navi 21

Baffin XT

GPU Variant

Navi 21 XTXH (215-121000247)

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

3 billion

Transistors

26.8 billion

123 mm²

Die Size

520 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

6.4

Shader Model

6.5

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