AMD Radeon 550X 640SP vs NVIDIA GeForce GTX 275 PhysX Edition

VS

AMD Radeon 550X 640SP

NVIDIA GeForce GTX 275 PhysX Edition

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 896MB VRAM GeForce GTX 275 PhysX Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 8 years and 2 months late

Boost Clock1071MHz

More VRAM (4GB vs 896GB)

400 additional rendering cores

Lower TDP (50W vs 219W)

NVIDIA GeForce GTX 275 PhysX Edition 's Advantages

Larger VRAM bandwidth (127.0GB/s vs 48.00GB/s)

Score

Benchmark

FP32 (float)

Radeon 550X 640SP +120%

1.371 TFLOPS

GeForce GTX 275 PhysX Edition

0.622 TFLOPS

Radeon 550X 640SP

VS

GeForce GTX 275 PhysX Edition

Graphics Card

Apr 2018

Release Date

Feb 2010

Polaris

Generation

GeForce 200

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

1134 MHz

Memory

4GB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

448bit

48.00GB/s

Bandwidth

127.0GB/s

Render Config

10

Compute Units

-

SM Count

30

640

Shading Units

240

40

TMUs

80

16

ROPs

28

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

224 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

17.72 GPixel/s

42.84 GTexel/s

Texture Rate

50.64 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

622.1 GFLOPS

85.68 GFLOPS

FP64 (double)

77.76 GFLOPS

Board Design

50W

TDP

219W

250 W

Suggested PSU

550 W

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

Outputs

2x DVI

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Lexa

GPU Name

G92B

Lexa PRO (215-0904018)

GPU Variant

G92-421-B1

GCN 4.0

Architecture

Tesla

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

2.2 billion

Transistors

0.754 billion

103 mm²

Die Size

260 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.3

6.4

Shader Model

4.0

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