NVIDIA GeForce GT 640 Rev. 2 vs NVIDIA GeForce GTX 1070 GDDR5X
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 640 Rev. 2 and 8GB VRAM GeForce GTX 1070 GDDR5X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640 Rev. 2 's Advantages
Lower TDP (49W vs 150W)
NVIDIA GeForce GTX 1070 GDDR5X 's Advantages
Released 5 years and 7 months late
Boost Clock1683MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (256.3GB/s vs 40.06GB/s)
1536 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640 Rev. 2
0.803 TFLOPS
GeForce GTX 1070 GDDR5X
+704%
6.463 TFLOPS
Graphics Card
May 2013
Release Date
Dec 2018
GeForce 600
Generation
GeForce 10
Desktop
Type
Desktop
PCIe 2.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1506 MHz
-
Boost Clock
1683 MHz
1252 MHz
Memory Clock
1001 MHz
Memory
1024MB
Memory Size
8GB
GDDR5
Memory Type
GDDR5X
64bit
Memory Bus
256bit
40.06GB/s
Bandwidth
256.3GB/s
Render Config
-
-
-
-
SM Count
15
384
Shading Units
1920
32
TMUs
120
8
ROPs
64
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
48 KB (per SM)
512 KB
L2 Cache
2 MB
-
-
-
Theoretical Performance
8.368 GPixel/s
Pixel Rate
107.7 GPixel/s
33.47 GTexel/s
Texture Rate
202.0 GTexel/s
-
FP16 (half)
101.0 GFLOPS
803.3 GFLOPS
FP32 (float)
6.463 TFLOPS
33.47 GFLOPS
FP64 (double)
202.0 GFLOPS
Board Design
49W
TDP
150W
200 W
Suggested PSU
450 W
1x DVI
1x HDMI 1.4a
1x VGA
Outputs
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
None
Power Connectors
1x 8-pin
Graphics Processor
GK208
GPU Name
GP104
GK208-400-A1
GPU Variant
GP104-200-A1
Kepler 2.0
Architecture
Pascal
TSMC
Foundry
TSMC
28 nm
Process Size
16 nm
1.02 billion
Transistors
7.2 billion
87 mm²
Die Size
314 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.5
CUDA
6.1
5.1
Shader Model
6.4
