AMD Radeon RX 460 1024SP vs AMD Radeon RX 7990 XTX

VS

AMD Radeon RX 460 1024SP

AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 460 1024SP and 24GB VRAM Radeon RX 7990 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 405W)

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)

5120 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 460 1024SP

2.458 TFLOPS

Radeon RX 7990 XTX +3498%

88.45 TFLOPS

Radeon RX 460 1024SP

VS

Radeon RX 7990 XTX

Graphics Card

Jan 2017

Release Date

Unknown

Arctic Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1090 MHz

Base Clock

2500 MHz

1200 MHz

Boost Clock

3599 MHz

1750 MHz

Memory Clock

3000 MHz

Memory

2GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

384bit

112.0GB/s

Bandwidth

1152GB/s

Render Config

16

Compute Units

96

-

1024

Shading Units

6144

64

TMUs

384

16

ROPs

192

-

RT Cores

96

16 KB (per CU)

L1 Cache

256 KB per Array

1024 KB

L2 Cache

6 MB

-

L3 Cache

192 MB

Theoretical Performance

19.20 GPixel/s

Pixel Rate

691.0 GPixel/s

76.80 GTexel/s

Texture Rate

1382 GTexel/s

2.458 TFLOPS

FP16 (half)

176.9 TFLOPS

2.458 TFLOPS

FP32 (float)

88.45 TFLOPS

153.6 GFLOPS

FP64 (double)

2.764 TFLOPS

Board Design

75W

TDP

405W

250 W

Suggested PSU

800 W

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

Outputs

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

None

Power Connectors

3x 8-pin

Graphics Processor

Baffin

GPU Name

Navi 31

Baffin XT

GPU Variant

Navi 31 XTX+

GCN 4.0

Architecture

RDNA 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

5 nm

3 billion

Transistors

57.7 billion

123 mm²

Die Size

529 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

6.4

Shader Model

6.7

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