NVIDIA GeForce GT 640M Mac Full Specs

384 Shaders
625MHz
512MB GDDR564GB/s
··
480 GFLOPS
Form Factor
Soldered
TDP
32W

Clock Speed
··
Peak OPS
480 GFLOPSFP32
FP32
480 GFLOPS
FP64
20 GFLOPS
Pixel Rate
10 GPixel/s
Texture Rate
20 GTexel/s

Shaders
384 Shaders
TMUs
32 TMUs
ROPs
16 ROPs
SMs
2 SMs

Boost Clock
625MHz

L1
48KB/SM Tex
L2 Cache
256KB shared

512MB GDDR5
Memory Bus
128-bit
Memory Speed
4GT/s
Memory Bandwidth
64GB/s
ECC
No

TDP
32W

Max Resolution
4096x2304
Refresh Rate Calculator
3840x2160
Resolution4K UHD
Refresh Rate
34Hz
Multi-Monitor
3
Adaptive Sync
G-Sync
FreeSync
DSC
Not Supported

Shader Model
6.5
DirectX
DirectX 12
Direct3D
11_0
OpenGL
4.6
OpenCL
3
Vulkan
1.2
CUDA
3
PureVideo HD
VP5
VDPAU
Feature Set D

Encoder
NVENC 1
Codec
AVC (H.264)

Decoder
NVDEC 1
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)

Form Factor
Soldered
PCIe
PCIe 3.0 x16

Manufacturer
Chip Designer
Architecture
Family
Branding
GeForce 2006 branding
Codename
NVE7
Market Segment
Laptop
Release Date
Mar 22, 2012

Foundry
TSMC
Fabrication Node
28nm
Die Size
118mm²
Transistor Count
1.3B
Transistor Density
10.76 MTr/mm²