AMD Radeon RX 550 640SP vs NVIDIA GeForce GT 640 Rev. 2

VS

AMD Radeon RX 550 640SP NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 640SP 's Advantages

Released 4 years and 5 months late

Boost Clock1071MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (96.00GB/s vs 40.06GB/s)

256 additional rendering cores

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Lower TDP (49W vs 60W)

Score

Benchmark

FP32 (float)

Radeon RX 550 640SP +70%

1.371 TFLOPS

GeForce GT 640 Rev. 2

0.803 TFLOPS

Radeon RX 550 640SP

VS

GeForce GT 640 Rev. 2

Graphics Card

Oct 2017

Release Date

May 2013

Polaris

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x8

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

1252 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

40.06GB/s

Render Config

-

SM Count

-

10

Compute Units

-

640

Shading Units

384

40

TMUs

32

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

512 KB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

8.368 GPixel/s

42.84 GTexel/s

Texture Rate

33.47 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

803.3 GFLOPS

85.68 GFLOPS

FP64 (double)

33.47 GFLOPS

Graphics Processor

Baffin

GPU Name

GK208

Baffin LE

GPU Variant

GK208-400-A1

GCN 4.0

Architecture

Kepler 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

1.02 billion

123 mm²

Die Size

87 mm²

Board Design

60W

TDP

49W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

6.4

Shader Model

5.1

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