AMD Radeon 550X 640SP vs NVIDIA CMP 70HX

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 8GB VRAM CMP 70HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 70HX 's Advantages

Released 2 years and 9 months late

Boost Clock has increased by 30% (1395MHz vs 1071MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (608.3GB/s vs 48.00GB/s)

5504 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X 640SP

1.371 TFLOPS

CMP 70HX +1150%

17.14 TFLOPS

Radeon 550X 640SP

VS

CMP 70HX

Graphics Card

Apr 2018

Release Date

Jan 2021

Polaris

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1019 MHz

Base Clock

1365 MHz

1071 MHz

Boost Clock

1395 MHz

1500 MHz

Memory Clock

1188 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6X

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

608.3GB/s

Render Config

-

SM Count

48

10

Compute Units

-

640

Shading Units

6144

40

TMUs

192

16

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

4 MB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

133.9 GPixel/s

42.84 GTexel/s

Texture Rate

267.8 GTexel/s

1371 GFLOPS

FP16 (half)

17.14 TFLOPS

1371 GFLOPS

FP32 (float)

17.14 TFLOPS

85.68 GFLOPS

FP64 (double)

267.8 GFLOPS

Graphics Processor

Lexa

GPU Name

GA104

Lexa PRO (215-0904018)

GPU Variant

GA104-100-A1

GCN 4.0

Architecture

Ampere

GlobalFoundries

Foundry

Samsung

14 nm

Process Size

8 nm

2.2 billion

Transistors

17.4 billion

103 mm²

Die Size

392 mm²

Board Design

50W

TDP

Unknown

250 W

Suggested PSU

200 W

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

Outputs

No outputs

None

Power Connectors

1x 12-pin

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

8.6

6.4

Shader Model

6.7

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