AMD Radeon 550X 640SP vs NVIDIA CMP 40HX

VS

AMD Radeon 550X 640SP

NVIDIA CMP 40HX

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 8GB VRAM CMP 40HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Lower TDP (50W vs 185W)

NVIDIA CMP 40HX 's Advantages

Released 2 years and 10 months late

Boost Clock has increased by 54% (1650MHz vs 1071MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (448.0GB/s vs 48.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X 640SP

1.371 TFLOPS

CMP 40HX +454%

7.603 TFLOPS

Radeon 550X 640SP

VS

CMP 40HX

Graphics Card

Apr 2018

Release Date

Feb 2021

Polaris

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

1470 MHz

1071 MHz

Boost Clock

1650 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

448.0GB/s

Render Config

10

Compute Units

-

SM Count

36

640

Shading Units

2304

40

TMUs

144

16

ROPs

64

-

Tensor Cores

288

-

RT Cores

36

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

105.6 GPixel/s

42.84 GTexel/s

Texture Rate

237.6 GTexel/s

1371 GFLOPS

FP16 (half)

15.21 TFLOPS

1371 GFLOPS

FP32 (float)

7.603 TFLOPS

85.68 GFLOPS

FP64 (double)

237.6 GFLOPS

Board Design

50W

TDP

185W

250 W

Suggested PSU

450 W

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

Outputs

No outputs

None

Power Connectors

1x 8-pin

Graphics Processor

Lexa

GPU Name

TU106

Lexa PRO (215-0904018)

GPU Variant

TU106-100-A1

GCN 4.0

Architecture

Turing

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

12 nm

2.2 billion

Transistors

10.8 billion

103 mm²

Die Size

445 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

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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