AMD Radeon 550X 640SP vs NVIDIA GeForce GT 630

VS

AMD Radeon 550X 640SP NVIDIA GeForce GT 630

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 1024MB VRAM GeForce GT 630 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 5 years and 11 months late

Boost Clock1071MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (48.00GB/s vs 28.80GB/s)

544 additional rendering cores

Lower TDP (50W vs 65W)

Score

Benchmark

FP32 (float)

Radeon 550X 640SP +340%

1.371 TFLOPS

GeForce GT 630

0.311 TFLOPS

Radeon 550X 640SP

VS

GeForce GT 630

Graphics Card

Apr 2018

Release Date

May 2012

Polaris

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

2

10

Compute Units

-

640

Shading Units

96

40

TMUs

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

3.240 GPixel/s

42.84 GTexel/s

Texture Rate

12.96 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

311.0 GFLOPS

85.68 GFLOPS

FP64 (double)

25.92 GFLOPS

Graphics Processor

Lexa

GPU Name

GF108

Lexa PRO (215-0904018)

GPU Variant

GF108-400-A1

GCN 4.0

Architecture

Fermi

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

0.585 billion

103 mm²

Die Size

116 mm²

Board Design

50W

TDP

65W

250 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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