AMD Radeon RX 550X 640SP vs NVIDIA GeForce GTX 980

VS

AMD Radeon RX 550X 640SP

NVIDIA GeForce GTX 980

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550X 640SP and 4GB VRAM GeForce GTX 980 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 640SP 's Advantages

Released 3 years and 7 months late

Lower TDP (60W vs 165W)

NVIDIA GeForce GTX 980 's Advantages

Boost Clock has increased by 14% (1216MHz vs 1071MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.4GB/s vs 96.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X 640SP

1.371 TFLOPS

GeForce GTX 980 +263%

4.981 TFLOPS

Radeon RX 550X 640SP

VS

GeForce GTX 980

Graphics Card

Apr 2018

Release Date

Sep 2014

Polaris

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

1127 MHz

1071 MHz

Boost Clock

1216 MHz

1500 MHz

Memory Clock

1753 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

224.4GB/s

Render Config

10

Compute Units

-

640

Shading Units

2048

40

TMUs

128

16

ROPs

64

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

77.82 GPixel/s

42.84 GTexel/s

Texture Rate

155.6 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

4.981 TFLOPS

85.68 GFLOPS

FP64 (double)

155.6 GFLOPS

Board Design

60W

TDP

165W

250 W

Suggested PSU

450 W

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

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

None

Power Connectors

2x 6-pin

Graphics Processor

Baffin

GPU Name

GM204

Baffin LE

GPU Variant

GM204-400-A1

GCN 4.0

Architecture

Maxwell 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

5.2 billion

123 mm²

Die Size

398 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.2

6.4

Shader Model

6.4

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