NVIDIA GeForce GT 640 vs NVIDIA GeForce RTX 4080 SUPER

VS

NVIDIA GeForce GT 640

NVIDIA GeForce RTX 4080 SUPER

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 16GB VRAM GeForce RTX 4080 SUPER to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 320W)

NVIDIA GeForce RTX 4080 SUPER 's Advantages

Released 11 years and 7 months late

Boost Clock2550MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (736.3GB/s vs 28.51GB/s)

9856 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

GeForce RTX 4080 SUPER +7435%

52.22 TFLOPS

Blender

GeForce GT 640

32

GeForce RTX 4080 SUPER +28750%

9232

OctaneBench

GeForce GT 640

8

GeForce RTX 4080 SUPER +11950%

964

GeForce GT 640

VS

GeForce RTX 4080 SUPER

Graphics Card

Jun 2012

Release Date

Jan 2024

GeForce 600

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2295 MHz

-

Boost Clock

2550 MHz

891 MHz

Memory Clock

1438 MHz

Memory

2GB

Memory Size

16GB

DDR3

Memory Type

GDDR6X

128bit

Memory Bus

256bit

28.51GB/s

Bandwidth

736.3GB/s

Render Config

-

SM Count

80

384

Shading Units

10240

32

TMUs

320

16

ROPs

112

-

Tensor Cores

320

-

RT Cores

80

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

64 MB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

285.6 GPixel/s

28.86 GTexel/s

Texture Rate

816.0 GTexel/s

-

FP16 (half)

52.22 TFLOPS

692.7 GFLOPS

FP32 (float)

52.22 TFLOPS

28.86 GFLOPS

FP64 (double)

816.0 GFLOPS

Board Design

65W

TDP

320W

250 W

Suggested PSU

700 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 16-pin

Graphics Processor

GK107

GPU Name

AD103

GK107-300-A2

GPU Variant

AD103-400-A1

Kepler

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

1.27 billion

Transistors

45.9 billion

118 mm²

Die Size

379 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

8.9

5.1

Shader Model

6.7

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