NVIDIA GeForce GTX 275 vs ATI Radeon HD 5450 PCI

VS

NVIDIA GeForce GTX 275

ATI Radeon HD 5450 PCI

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 and 512MB VRAM Radeon HD 5450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 275 's Advantages

More VRAM (896GB vs 512GB)

Larger VRAM bandwidth (127.0GB/s vs 5.328GB/s)

160 additional rendering cores

ATI Radeon HD 5450 PCI 's Advantages

Released 1 years and 1 months late

Lower TDP (19W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 275 +548%

0.674 TFLOPS

Radeon HD 5450 PCI

0.104 TFLOPS

GeForce GTX 275

VS

Radeon HD 5450 PCI

Graphics Card

Jan 2009

Release Date

Feb 2010

GeForce 200

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCI

Clock Speeds

-

1134 MHz

Memory Clock

333 MHz

Memory

896MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

448bit

Memory Bus

64bit

127.0GB/s

Bandwidth

5.328GB/s

Render Config

-

Compute Units

2

30

SM Count

-

240

Shading Units

80

TMUs

8

28

ROPs

4

-

L1 Cache

8 KB (per CU)

224 KB

L2 Cache

128 KB

-

Theoretical Performance

17.72 GPixel/s

Pixel Rate

2.600 GPixel/s

50.64 GTexel/s

Texture Rate

5.200 GTexel/s

-

673.9 GFLOPS

FP32 (float)

104.0 GFLOPS

84.24 GFLOPS

FP64 (double)

-

Board Design

219W

TDP

19W

550 W

Suggested PSU

200 W

2x DVI

Outputs

1x DVI 1x HDMI 1.3a

2x 6-pin

Power Connectors

None

Graphics Processor

GT200B

GPU Name

Cedar

G200-105-B3

GPU Variant

Cedar PRO

Tesla 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

1.4 billion

Transistors

0.292 billion

470 mm²

Die Size

59 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

5.0

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