AMD Radeon RX 7990 XTX vs AMD Radeon RX 460

VS

AMD Radeon RX 7990 XTX

AMD Radeon RX 460

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX 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 7990 XTX 's Advantages

Boost Clock has increased by 200% (3599MHz vs 1200MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (1152GB/s vs 112.0GB/s)

5248 additional rendering cores

AMD Radeon RX 460 's Advantages

Lower TDP (75W vs 405W)

Score

Benchmark

FP32 (float)

Radeon RX 7990 XTX +4013%

88.45 TFLOPS

Radeon RX 460

2.15 TFLOPS

Radeon RX 7990 XTX

VS

Radeon RX 460

Graphics Card

Unknown

Release Date

Aug 2016

Navi III

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2500 MHz

Base Clock

1090 MHz

3599 MHz

Boost Clock

1200 MHz

3000 MHz

Memory Clock

1750 MHz

Memory

24GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

128bit

1152GB/s

Bandwidth

112.0GB/s

Render Config

96

Compute Units

14

-

6144

Shading Units

896

384

TMUs

56

192

ROPs

16

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

1024 KB

192 MB

L3 Cache

-

Theoretical Performance

691.0 GPixel/s

Pixel Rate

19.20 GPixel/s

1382 GTexel/s

Texture Rate

67.20 GTexel/s

176.9 TFLOPS

FP16 (half)

2.150 TFLOPS

88.45 TFLOPS

FP32 (float)

2.150 TFLOPS

2.764 TFLOPS

FP64 (double)

134.4 GFLOPS

Board Design

405W

TDP

75W

800 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

3x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Baffin

Navi 31 XTX+

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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