AMD Radeon RX 7900 XT vs AMD Radeon RX 460

VS

AMD Radeon RX 7900 XT

AMD Radeon RX 460

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 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 7900 XT 's Advantages

Released 6 years and 3 months late

Boost Clock has increased by 100% (2394MHz vs 1200MHz)

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (800.0GB/s vs 112.0GB/s)

4480 additional rendering cores

AMD Radeon RX 460 's Advantages

Lower TDP (75W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +2294%

51.48 TFLOPS

Radeon RX 460

2.15 TFLOPS

3DMark Time Spy

Radeon RX 7900 XT +1455%

26911

Radeon RX 460

1730

Shadow of the Tomb Raider 2160p

Radeon RX 7900 XT +3300%

102

Radeon RX 460

3

Shadow of the Tomb Raider 1440p

Radeon RX 7900 XT +1608%

205

Radeon RX 460

12

Shadow of the Tomb Raider 1080p

Radeon RX 7900 XT +1259%

299

Radeon RX 460

22

Radeon RX 7900 XT

VS

Radeon RX 460

Graphics Card

Nov 2022

Release Date

Aug 2016

Navi III

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1387 MHz

Base Clock

1090 MHz

2394 MHz

Boost Clock

1200 MHz

2500 MHz

Memory Clock

1750 MHz

Memory

20GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

128bit

800.0GB/s

Bandwidth

112.0GB/s

Render Config

84

Compute Units

14

-

5376

Shading Units

896

336

TMUs

56

192

ROPs

16

-

84

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

1024 KB

80 MB

L3 Cache

-

Theoretical Performance

459.6 GPixel/s

Pixel Rate

19.20 GPixel/s

804.4 GTexel/s

Texture Rate

67.20 GTexel/s

103.0 TFLOPS

FP16 (half)

2.150 TFLOPS

51.48 TFLOPS

FP32 (float)

2.150 TFLOPS

1.609 TFLOPS

FP64 (double)

134.4 GFLOPS

Board Design

300W

TDP

75W

700 W

Suggested PSU

250 W

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

Outputs

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

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Baffin

Navi 31 XT (215-145000156)

GPU Variant

Baffin PRO

RDNA 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

57.7 billion

Transistors

3 billion

529 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

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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