AMD Radeon 550X 640SP vs NVIDIA T400 4 GB

VS

AMD Radeon 550X 640SP

NVIDIA T400 4 GB

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 4GB VRAM T400 4 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

256 additional rendering cores

NVIDIA T400 4 GB 's Advantages

Released 3 years and 1 months late

Boost Clock has increased by 33% (1425MHz vs 1071MHz)

Larger VRAM bandwidth (80.00GB/s vs 48.00GB/s)

Lower TDP (30W vs 50W)

Score

Benchmark

FP32 (float)

Radeon 550X 640SP +25%

1.371 TFLOPS

T400 4 GB

1.094 TFLOPS

Radeon 550X 640SP

VS

T400 4 GB

Graphics Card

Apr 2018

Release Date

May 2021

Polaris

Generation

Quadro

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

420 MHz

1071 MHz

Boost Clock

1425 MHz

1500 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

64bit

48.00GB/s

Bandwidth

80.00GB/s

Render Config

10

Compute Units

-

SM Count

6

640

Shading Units

384

40

TMUs

24

16

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

22.80 GPixel/s

42.84 GTexel/s

Texture Rate

34.20 GTexel/s

1371 GFLOPS

FP16 (half)

2.189 TFLOPS

1371 GFLOPS

FP32 (float)

1094 GFLOPS

85.68 GFLOPS

FP64 (double)

34.20 GFLOPS

Board Design

50W

TDP

30W

250 W

Suggested PSU

200 W

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

Outputs

3x mini-DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

TU117

Lexa PRO (215-0904018)

GPU Variant

-

GCN 4.0

Architecture

Turing

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

12 nm

2.2 billion

Transistors

4.7 billion

103 mm²

Die Size

200 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

7.5

6.4

Shader Model

6.6

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