Arc A380 vs GeForce GT 640
We compared two Desktop platform GPUs: 6GB VRAM Arc A380 and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Arc A380 's Advantages
Released 10 years late
Boost Clock2050MHz
More VRAM (6GB vs 2GB)
Larger VRAM bandwidth (186.0GB/s vs 28.51GB/s)
640 additional rendering cores
GeForce GT 640 's Advantages
Lower TDP (65W vs 75W)
Score
Benchmark
FP32 (float)
Arc A380
+505%
4198
GeForce GT 640
693
3DMark Time Spy
Arc A380
+945%
4277
GeForce GT 640
409
3DMark Time Spy Extreme
Arc A380
+1160%
2017
GeForce GT 640
160
Blender
Arc A380
+1537%
524
GeForce GT 640
32
Graphics Card
Jun 2022
Release Date
Jun 2012
Alchemist(Arc 3)
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
2000 MHz
Base Clock
-
2050 MHz
Boost Clock
-
1937 MHz
Memory Clock
891 MHz
Memory
6GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
96bit
Memory Bus
128bit
186.0GB/s
Bandwidth
28.51GB/s
Render Config
1024
Shading Units
384
64
TMUs
32
32
ROPs
16
128
Tensor Cores
-
8
RT Cores
-
-
L1 Cache
16 KB (per SMX)
4 MB
L2 Cache
256 KB
Theoretical Performance
65.60 GPixel/s
Pixel Rate
7.216 GPixel/s
131.2 GTexel/s
Texture Rate
28.86 GTexel/s
8.397 TFLOPS
FP16 (half)
-
4.198 TFLOPS
FP32 (float)
692.7 GFLOPS
1050 GFLOPS
FP64 (double)
28.86 GFLOPS
Board Design
75W
TDP
65W
250 W
Suggested PSU
250 W
1x HDMI 2.13x DisplayPort 2.0
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 8-pin
Power Connectors
None
Graphics Processor
DG2-128
GPU Name
GK107
ACM-G11
GPU Variant
GK107-300-A2
Generation 12.7
Architecture
Kepler
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
7.2 billion
Transistors
1.27 billion
157 mm²
Die Size
118 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
-
CUDA
3.0
6.6
Shader Model
5.1
