AMD Radeon RX 550X 640SP vs NVIDIA GeForce GTX 490

VS

AMD Radeon RX 550X 640SP

NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550X 640SP 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 550X 640SP 's Advantages

Boost Clock1071MHz

More VRAM (2GB vs 1536GB)

160 additional rendering cores

Lower TDP (60W vs 365W)

NVIDIA GeForce GTX 490 's Advantages

Larger VRAM bandwidth (164.0GB/s vs 96.00GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 550X 640SP +17%

1.371 TFLOPS

GeForce GTX 490

1.166 TFLOPS

Radeon RX 550X 640SP

VS

GeForce GTX 490

Graphics Card

Apr 2018

Release Date

Unknown

Polaris

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

854 MHz

Memory

2GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

96.00GB/s

Bandwidth

164.0GB/s

Render Config

10

Compute Units

-

SM Count

15

640

Shading Units

480

40

TMUs

60

16

ROPs

48

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

768 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

18.24 GPixel/s

42.84 GTexel/s

Texture Rate

36.48 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

1166 GFLOPS

85.68 GFLOPS

FP64 (double)

145.8 GFLOPS

Board Design

60W

TDP

365W

250 W

Suggested PSU

750 W

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

Outputs

3x DVI 1x mini-DisplayPort

None

Power Connectors

2x 8-pin

Graphics Processor

Baffin

GPU Name

GF100

Baffin LE

GPU Variant

GF100-375-A3

GCN 4.0

Architecture

Fermi

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

3.1 billion

123 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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