NVIDIA GeForce 8800 GT vs NVIDIA GeForce GT 620

VS

NVIDIA GeForce 8800 GT

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8800 GT 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 8800 GT 's Advantages

Larger VRAM bandwidth (57.60GB/s vs 14.40GB/s)

16 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Released 4 years and 7 months late

More VRAM (1024GB vs 512GB)

Lower TDP (49W vs 125W)

Score

Benchmark

FP32 (float)

GeForce 8800 GT +24%

0.336 TFLOPS

GeForce GT 620

0.269 TFLOPS

GeForce 8800 GT

VS

GeForce GT 620

Graphics Card

Oct 2007

Release Date

May 2012

GeForce 8

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

64bit

57.60GB/s

Bandwidth

14.40GB/s

Render Config

-

14

SM Count

2

112

Shading Units

96

56

TMUs

16

ROPs

4

-

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

2.800 GPixel/s

33.60 GTexel/s

Texture Rate

11.20 GTexel/s

-

336.0 GFLOPS

FP32 (float)

268.8 GFLOPS

-

FP64 (double)

22.40 GFLOPS

Board Design

125W

TDP

49W

300 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

G92

GPU Name

GF108

G92-270-A2

GPU Variant

GF108-100-KB-A1

Tesla

Architecture

Fermi

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.754 billion

Transistors

0.585 billion

324 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

1.1

CUDA

2.1

4.0

Shader Model

5.1

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