NVIDIA GeForce RTX 4080 SUPER vs NVIDIA GeForce GT 640 OEM Rebrand

VS

NVIDIA GeForce RTX 4080 SUPER NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 SUPER and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 SUPER 's Advantages

Released 11 years and 9 months late

Boost Clock2550MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (736.3GB/s vs 38.40GB/s)

10096 additional rendering cores

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 SUPER +12483%

52.22 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

GeForce RTX 4080 SUPER

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Jan 2024

Release Date

Apr 2012

GeForce 40

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2295 MHz

Base Clock

-

2550 MHz

Boost Clock

-

1438 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

1536MB

GDDR6X

Memory Type

DDR3

256bit

Memory Bus

192bit

736.3GB/s

Bandwidth

38.40GB/s

Render Config

80

SM Count

3

-

Compute Units

-

10240

Shading Units

144

320

TMUs

24

112

ROPs

24

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

64 MB

L2 Cache

384 KB

Theoretical Performance

285.6 GPixel/s

Pixel Rate

4.320 GPixel/s

816.0 GTexel/s

Texture Rate

17.28 GTexel/s

52.22 TFLOPS

FP16 (half)

-

52.22 TFLOPS

FP32 (float)

414.7 GFLOPS

816.0 GFLOPS

FP64 (double)

34.56 GFLOPS

Graphics Processor

AD103

GPU Name

GF116

AD103-400-A1

GPU Variant

GF116-150-A1

Ada Lovelace

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

45.9 billion

Transistors

1.17 billion

379 mm²

Die Size

238 mm²

Board Design

320W

TDP

75W

700 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 16-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.9

CUDA

2.1

6.7

Shader Model

5.1

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