NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 1070 GDDR5X
We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 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 's Advantages
Lower TDP (65W vs 150W)
NVIDIA GeForce GTX 1070 GDDR5X 's Advantages
Released 6 years and 6 months late
Boost Clock1683MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.3GB/s vs 28.51GB/s)
1536 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640
0.693 TFLOPS
GeForce GTX 1070 GDDR5X
+832%
6.463 TFLOPS
3DMark Time Spy
GeForce GT 640
409
GeForce GTX 1070 GDDR5X
+1386%
6078
3DMark Time Spy Extreme
GeForce GT 640
160
GeForce GTX 1070 GDDR5X
+1665%
2825
Blender
GeForce GT 640
32
GeForce GTX 1070 GDDR5X
+1953%
657
OctaneBench
GeForce GT 640
8
GeForce GTX 1070 GDDR5X
+1337%
115
Graphics Card
Jun 2012
Release Date
Dec 2018
GeForce 600
Generation
GeForce 10
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1506 MHz
-
Boost Clock
1683 MHz
891 MHz
Memory Clock
1001 MHz
Memory
2GB
Memory Size
8GB
DDR3
Memory Type
GDDR5X
128bit
Memory Bus
256bit
28.51GB/s
Bandwidth
256.3GB/s
Render Config
-
-
-
-
SM Count
15
384
Shading Units
1920
32
TMUs
120
16
ROPs
64
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
48 KB (per SM)
256 KB
L2 Cache
2 MB
-
-
-
Theoretical Performance
7.216 GPixel/s
Pixel Rate
107.7 GPixel/s
28.86 GTexel/s
Texture Rate
202.0 GTexel/s
-
FP16 (half)
101.0 GFLOPS
692.7 GFLOPS
FP32 (float)
6.463 TFLOPS
28.86 GFLOPS
FP64 (double)
202.0 GFLOPS
Board Design
65W
TDP
150W
250 W
Suggested PSU
450 W
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
None
Power Connectors
1x 8-pin
Graphics Processor
GK107
GPU Name
GP104
GK107-300-A2
GPU Variant
GP104-200-A1
Kepler
Architecture
Pascal
TSMC
Foundry
TSMC
28 nm
Process Size
16 nm
1.27 billion
Transistors
7.2 billion
118 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
3.0
CUDA
6.1
5.1
Shader Model
6.4
