NVIDIA GeForce GT 640 OEM Rebrand: GPU Specs & Benchmarks

The GeForce GT 640 OEM Rebrand is a graphics card by NVIDIA, built on the 40 nm process and based on the GF116 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name
GF116
Model number
GF116-150-A1
Architecture
Fermi 2.0
Foundry
TSMC
Process Size
40 nm
Transistors
1,170 million
Die Size
238 mm²

Graphics Card

Release Date
Apr 24th, 2012
Family
GeForce 600
Production
End-of-life
Predecessor
GeForce 500
Bus Interface
PCIe 2.0 x16

Memory

Memory Size
1536 MB
Memory Type
DDR3
Memory Bus
192 bit
Bandwidth
38.40 GB/s

Performance

Pixel fillrate
4.320 GPixel/s
Texture fillrate
17.28 GTexel/s
FP32 (float) performance
414.7 GFLOPS
FP64 (double) performance
34.56 GFLOPS (1:12)

Clock Speeds

Memory Clock
800 MHz
1600 Mbps effective
GPU Clock
720 MHz

Render Config

Shading Units
144
TMUs
24
ROPs
24
L1 Cache
64 KB (per SM)
L2 Cache
384 KB
SM Count
3

Board Design

Slot Width
Single-slot
Length
145 mm
5.7 inches
Thermal design power (TDP)
75 W
Suggested PSU
250 W
Display Connectors
2x DVI
1x mini-HDMI
Power Connectors
None
Board Number
P1062

API support

DirectX
12 (11_0)
OpenGL
4.6
OpenCL
1.1
Vulkan
N/A
Shader Model
5.1
CUDA
2.1
GeForce GT 640 OEM Rebrand
NVIDIA GeForce GT 640 OEM Rebrand: GPU Specs & Benchmarks