AMD Radeon RX 580G vs NVIDIA GeForce GTX 490

VS

AMD Radeon RX 580G

NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580G and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580G 's Advantages

Boost Clock1330MHz

More VRAM (8GB vs 1536GB)

Larger VRAM bandwidth (256.0GB/s vs 164.0GB/s)

1824 additional rendering cores

Lower TDP (185W vs 365W)

Score

Benchmark

FP32 (float)

Radeon RX 580G +425%

6.129 TFLOPS

GeForce GTX 490

1.166 TFLOPS

Radeon RX 580G

VS

GeForce GTX 490

Graphics Card

Oct 2018

Release Date

Unknown

Polaris

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1330 MHz

Boost Clock

-

2000 MHz

Memory Clock

854 MHz

Memory

8GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

256.0GB/s

Bandwidth

164.0GB/s

Render Config

36

Compute Units

-

SM Count

15

2304

Shading Units

480

144

TMUs

60

32

ROPs

48

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

42.56 GPixel/s

Pixel Rate

18.24 GPixel/s

191.5 GTexel/s

Texture Rate

36.48 GTexel/s

6.129 TFLOPS

FP16 (half)

-

6.129 TFLOPS

FP32 (float)

1166 GFLOPS

383.0 GFLOPS

FP64 (double)

145.8 GFLOPS

Board Design

185W

TDP

365W

450 W

Suggested PSU

750 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

3x DVI 1x mini-DisplayPort

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Polaris 20

GPU Name

GF100

Polaris 20 XTX (215-0910038)

GPU Variant

GF100-375-A3

GCN 4.0

Architecture

Fermi

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

3.1 billion

232 mm²

Die Size

529 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.0

6.4

Shader Model

5.1

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