NVIDIA GeForce GTX 275 vs AMD Radeon 550X 640SP

VS

NVIDIA GeForce GTX 275

AMD Radeon 550X 640SP

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

Main Differences

NVIDIA GeForce GTX 275 's Advantages

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

AMD Radeon 550X 640SP 's Advantages

Released 9 years and 3 months late

Boost Clock1071MHz

More VRAM (4GB vs 896GB)

400 additional rendering cores

Lower TDP (50W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 275

0.674 TFLOPS

Radeon 550X 640SP +103%

1.371 TFLOPS

GeForce GTX 275

VS

Radeon 550X 640SP

Graphics Card

Jan 2009

Release Date

Apr 2018

GeForce 200

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1019 MHz

-

Boost Clock

1071 MHz

1134 MHz

Memory Clock

1500 MHz

Memory

896MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

64bit

127.0GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

30

SM Count

-

240

Shading Units

640

80

TMUs

40

28

ROPs

16

-

L1 Cache

16 KB (per CU)

224 KB

L2 Cache

256 KB

-

Theoretical Performance

17.72 GPixel/s

Pixel Rate

17.14 GPixel/s

50.64 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

673.9 GFLOPS

FP32 (float)

1371 GFLOPS

84.24 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

219W

TDP

50W

550 W

Suggested PSU

250 W

2x DVI

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Processor

GT200B

GPU Name

Lexa

G200-105-B3

GPU Variant

Lexa PRO (215-0904018)

Tesla 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

1.4 billion

Transistors

2.2 billion

470 mm²

Die Size

103 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

1.3

CUDA

-

4.0

Shader Model

6.4

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