NVIDIA GeForce GTX 275 vs NVIDIA GeForce GT 620

VS

NVIDIA GeForce GTX 275

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 and 1024MB VRAM GeForce GT 620 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 14.40GB/s)

144 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Released 3 years and 4 months late

More VRAM (1024GB vs 896GB)

Lower TDP (49W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 275 +150%

0.674 TFLOPS

GeForce GT 620

0.269 TFLOPS

GeForce GTX 275

VS

GeForce GT 620

Graphics Card

Jan 2009

Release Date

May 2012

GeForce 200

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1134 MHz

Memory Clock

900 MHz

Memory

896MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

448bit

Memory Bus

64bit

127.0GB/s

Bandwidth

14.40GB/s

Render Config

-

30

SM Count

2

240

Shading Units

96

80

TMUs

16

28

ROPs

4

-

L1 Cache

64 KB (per SM)

224 KB

L2 Cache

128 KB

-

Theoretical Performance

17.72 GPixel/s

Pixel Rate

2.800 GPixel/s

50.64 GTexel/s

Texture Rate

11.20 GTexel/s

-

673.9 GFLOPS

FP32 (float)

268.8 GFLOPS

84.24 GFLOPS

FP64 (double)

22.40 GFLOPS

Board Design

219W

TDP

49W

550 W

Suggested PSU

200 W

2x DVI

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

GT200B

GPU Name

GF108

G200-105-B3

GPU Variant

GF108-100-KB-A1

Tesla 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

1.4 billion

Transistors

0.585 billion

470 mm²

Die Size

116 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.3

CUDA

2.1

4.0

Shader Model

5.1

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