NVIDIA GeForce GT 640 Rev. 2 vs NVIDIA GeForce GT 1010 DDR4
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 640 Rev. 2 and 2GB VRAM GeForce GT 1010 DDR4 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
Larger VRAM bandwidth (40.06GB/s vs 16.80GB/s)
128 additional rendering cores
NVIDIA GeForce GT 1010 DDR4 's Advantages
Released 7 years and 8 months late
Boost Clock1380MHz
More VRAM (2GB vs 1024GB)
Lower TDP (20W vs 49W)
Score
Benchmark
FP32 (float)
GeForce GT 640 Rev. 2
+13%
0.803 TFLOPS
GeForce GT 1010 DDR4
0.706 TFLOPS
Graphics Card
May 2013
Release Date
Jan 2021
GeForce 600
Generation
GeForce 10
Desktop
Type
Desktop
PCIe 2.0 x8
Bus Interface
PCIe 3.0 x4
Clock Speeds
-
Base Clock
1152 MHz
-
Boost Clock
1380 MHz
1252 MHz
Memory Clock
1050 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
DDR4
64bit
Memory Bus
64bit
40.06GB/s
Bandwidth
16.80GB/s
Render Config
-
-
-
-
SM Count
2
384
Shading Units
256
32
TMUs
16
8
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SM)
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
8.368 GPixel/s
Pixel Rate
11.04 GPixel/s
33.47 GTexel/s
Texture Rate
22.08 GTexel/s
-
-
-
803.3 GFLOPS
FP32 (float)
706.6 GFLOPS
33.47 GFLOPS
FP64 (double)
29.44 GFLOPS
Board Design
49W
TDP
20W
200 W
Suggested PSU
200 W
1x DVI
1x HDMI 1.4a
1x VGA
Outputs
1x DVI
1x mini-HDMI 2.0
None
Power Connectors
None
Graphics Processor
GK208
GPU Name
GP108
GK208-400-A1
GPU Variant
GP108-200-A1
Kepler 2.0
Architecture
Pascal
TSMC
Foundry
Samsung
28 nm
Process Size
14 nm
1.02 billion
Transistors
1.8 billion
87 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
3.5
CUDA
6.1
5.1
Shader Model
6.7
