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

VS

NVIDIA GeForce GTX 980 Ti

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 980 Ti and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 Ti 's Advantages

Boost Clock has increased by 0% (1076MHz vs 1071MHz)

More VRAM (6GB vs 4GB)

Larger VRAM bandwidth (336.6GB/s vs 48.00GB/s)

2176 additional rendering cores

AMD Radeon 550X 640SP 's Advantages

Released 2 years and 10 months late

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 980 Ti +342%

6.06 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

GeForce GTX 980 Ti

VS

Radeon 550X 640SP

Graphics Card

Jun 2015

Release Date

Apr 2018

GeForce 900

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

1019 MHz

1076 MHz

Boost Clock

1071 MHz

1753 MHz

Memory Clock

1500 MHz

Memory

6GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

64bit

336.6GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

-

2816

Shading Units

640

176

TMUs

40

96

ROPs

16

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

256 KB

-

Theoretical Performance

103.3 GPixel/s

Pixel Rate

17.14 GPixel/s

189.4 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

6.060 TFLOPS

FP32 (float)

1371 GFLOPS

189.4 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

250W

TDP

50W

600 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GM200

GPU Name

Lexa

GM200-310-A1

GPU Variant

Lexa PRO (215-0904018)

Maxwell 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

8 billion

Transistors

2.2 billion

601 mm²

Die Size

103 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

5.2

CUDA

-

6.4

Shader Model

6.4

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