NVIDIA GeForce GT 640 OEM Rebrand vs AMD Ryzen Z1 Extreme GPU

VS

NVIDIA GeForce GT 640 OEM Rebrand

AMD Ryzen Z1 Extreme GPU

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 16GB VRAM Ryzen Z1 Extreme GPU to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Larger VRAM bandwidth (38.40GB/s vs 25.60GB/s)

AMD Ryzen Z1 Extreme GPU 's Advantages

Released 11 years and 2 months late

Boost Clock2700MHz

More VRAM (16GB vs 1536GB)

624 additional rendering cores

Lower TDP (30W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Ryzen Z1 Extreme GPU +1898%

8.294 TFLOPS

GeForce GT 640 OEM Rebrand

VS

Ryzen Z1 Extreme GPU

Graphics Card

Apr 2012

Release Date

Jun 2023

GeForce 600

Generation

Console GPU(ASUS)

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

-

Clock Speeds

-

Base Clock

800 MHz

-

Boost Clock

2700 MHz

800 MHz

Memory Clock

800 MHz

Memory

1536MB

Memory Size

16GB

DDR3

Memory Type

LPDDR5

192bit

Memory Bus

64bit

38.40GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

12

3

SM Count

-

144

Shading Units

768

24

TMUs

48

24

ROPs

32

-

RT Cores

12

64 KB (per SM)

L1 Cache

128 KB per Array

384 KB

L2 Cache

8 MB

-

L3 Cache

16 MB

Theoretical Performance

4.320 GPixel/s

Pixel Rate

86.40 GPixel/s

17.28 GTexel/s

Texture Rate

129.6 GTexel/s

-

FP16 (half)

16.59 TFLOPS

414.7 GFLOPS

FP32 (float)

8.294 TFLOPS

34.56 GFLOPS

FP64 (double)

518.4 GFLOPS

Board Design

75W

TDP

30W

250 W

Suggested PSU

-

2x DVI 1x mini-HDMI 1.3a

Outputs

1x USB Type-C

None

Power Connectors

None

Graphics Processor

GF116

GPU Name

Phoenix

GF116-150-A1

GPU Variant

-

Fermi 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

4 nm

1.17 billion

Transistors

25.39 billion

238 mm²

Die Size

178 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

2.1

CUDA

-

5.1

Shader Model

6.8

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