NVIDIA GeForce GT 640 vs NVIDIA GeForce GT 1030 DDR4
We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 2GB VRAM GeForce GT 1030 DDR4 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640 's Advantages
Larger VRAM bandwidth (28.51GB/s vs 16.80GB/s)
NVIDIA GeForce GT 1030 DDR4 's Advantages
Released 5 years and 9 months late
Boost Clock1379MHz
Lower TDP (20W vs 65W)
Score
Benchmark
FP32 (float)
GeForce GT 640
0.693 TFLOPS
GeForce GT 1030 DDR4
+52%
1.059 TFLOPS
3DMark Time Spy
GeForce GT 640
409
GeForce GT 1030 DDR4
+55%
638
3DMark Time Spy Extreme
GeForce GT 640
160
GeForce GT 1030 DDR4
+10%
177
Blender
GeForce GT 640
32
GeForce GT 1030 DDR4
+200%
96
OctaneBench
GeForce GT 640
8
GeForce GT 1030 DDR4
+137%
19
Graphics Card
Jun 2012
Release Date
Mar 2018
GeForce 600
Generation
GeForce 10
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x4
Clock Speeds
-
Base Clock
1152 MHz
-
Boost Clock
1379 MHz
891 MHz
Memory Clock
1050 MHz
Memory
2GB
Memory Size
2GB
DDR3
Memory Type
DDR4
128bit
Memory Bus
64bit
28.51GB/s
Bandwidth
16.80GB/s
Render Config
-
-
-
-
SM Count
3
384
Shading Units
384
32
TMUs
24
16
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
48 KB (per SM)
256 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
7.216 GPixel/s
Pixel Rate
22.06 GPixel/s
28.86 GTexel/s
Texture Rate
33.10 GTexel/s
-
FP16 (half)
16.55 GFLOPS
692.7 GFLOPS
FP32 (float)
1059 GFLOPS
28.86 GFLOPS
FP64 (double)
33.10 GFLOPS
Board Design
65W
TDP
20W
250 W
Suggested PSU
200 W
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 2.0
None
Power Connectors
None
Graphics Processor
GK107
GPU Name
GP108
GK107-300-A2
GPU Variant
GP108-310-A1
Kepler
Architecture
Pascal
TSMC
Foundry
Samsung
28 nm
Process Size
14 nm
1.27 billion
Transistors
1.8 billion
118 mm²
Die Size
74 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
