NVIDIA GeForce GT 1030 DDR4 vs NVIDIA GeForce GT 640
We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 1030 DDR4 and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 1030 DDR4 's Advantages
Released 5 years and 9 months late
Boost Clock1379MHz
Lower TDP (20W vs 65W)
NVIDIA GeForce GT 640 's Advantages
Larger VRAM bandwidth (28.51GB/s vs 16.80GB/s)
Score
Benchmark
FP32 (float)
GeForce GT 1030 DDR4
+52%
1.059 TFLOPS
GeForce GT 640
0.693 TFLOPS
3DMark Time Spy
GeForce GT 1030 DDR4
+55%
638
GeForce GT 640
409
3DMark Time Spy Extreme
GeForce GT 1030 DDR4
+10%
177
GeForce GT 640
160
Blender
GeForce GT 1030 DDR4
+200%
96
GeForce GT 640
32
OctaneBench
GeForce GT 1030 DDR4
+137%
19
GeForce GT 640
8
Graphics Card
Mar 2018
Release Date
Jun 2012
GeForce 10
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x4
Bus Interface
PCIe 3.0 x16
Clock Speeds
1152 MHz
Base Clock
-
1379 MHz
Boost Clock
-
1050 MHz
Memory Clock
891 MHz
Memory
2GB
Memory Size
2GB
DDR4
Memory Type
DDR3
64bit
Memory Bus
128bit
16.80GB/s
Bandwidth
28.51GB/s
Render Config
-
-
-
3
SM Count
-
384
Shading Units
384
24
TMUs
32
16
ROPs
16
-
-
-
-
-
-
48 KB (per SM)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
22.06 GPixel/s
Pixel Rate
7.216 GPixel/s
33.10 GTexel/s
Texture Rate
28.86 GTexel/s
16.55 GFLOPS
FP16 (half)
-
1059 GFLOPS
FP32 (float)
692.7 GFLOPS
33.10 GFLOPS
FP64 (double)
28.86 GFLOPS
Board Design
20W
TDP
65W
200 W
Suggested PSU
250 W
1x DVI
1x HDMI 2.0
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
None
Graphics Processor
GP108
GPU Name
GK107
GP108-310-A1
GPU Variant
GK107-300-A2
Pascal
Architecture
Kepler
Samsung
Foundry
TSMC
14 nm
Process Size
28 nm
1.8 billion
Transistors
1.27 billion
74 mm²
Die Size
118 mm²
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
3.0
6.4
Shader Model
5.1
