Home GPU Comparison NVIDIA GeForce GTX 1060 6 GB Rev. 2 vs NVIDIA GeForce GT 640 Rev. 2

NVIDIA GeForce GTX 1060 6 GB Rev. 2 vs NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1060 6 GB Rev. 2 and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1060 6 GB Rev. 2 's Advantages
Released 4 years and 8 months late
Boost Clock1709MHz
More VRAM (6GB vs 1GB)
Larger VRAM bandwidth (192.2GB/s vs 40.06GB/s)
896 additional rendering cores
NVIDIA GeForce GT 640 Rev. 2 's Advantages
Lower TDP (49W vs 120W)

Score

Benchmark

FP32 (float)
GeForce GTX 1060 6 GB Rev. 2 +444%
4.375 TFLOPS
GeForce GT 640 Rev. 2
0.803 TFLOPS
VS

Graphics Card

Jan 2018
Release Date
May 2013
GeForce 10
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x8

Clock Speeds

1506 MHz
Base Clock
-
1709 MHz
Boost Clock
-
2002 MHz
Memory Clock
1252 MHz

Memory

6GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
64bit
192.2GB/s
Bandwidth
40.06GB/s

Render Config

10
SM Count
-
-
Compute Units
-
1280
Shading Units
384
80
TMUs
32
48
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
48 KB (per SM)
L1 Cache
16 KB (per SMX)
1536 KB
L2 Cache
512 KB

Theoretical Performance

82.03 GPixel/s
Pixel Rate
8.368 GPixel/s
136.7 GTexel/s
Texture Rate
33.47 GTexel/s
68.36 GFLOPS
FP16 (half)
-
4.375 TFLOPS
FP32 (float)
803.3 GFLOPS
136.7 GFLOPS
FP64 (double)
33.47 GFLOPS

Graphics Processor

GP106
GPU Name
GK208
GP106-400-A1
GPU Variant
GK208-400-A1
Pascal
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
16 nm
Process Size
28 nm
4.4 billion
Transistors
1.02 billion
200 mm²
Die Size
87 mm²

Board Design

120W
TDP
49W
300 W
Suggested PSU
200 W
1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 1.4a 1x VGA
1x 6-pin
Power Connectors
None

Graphics Features

12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
6.1
CUDA
3.5
6.4
Shader Model
5.1

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