Intel Arc B580 vs NVIDIA GeForce GT 640 Rev. 2
We compared two Desktop platform GPUs: 12GB VRAM Arc B580 and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Intel Arc B580 's Advantages
Released 11 years and 7 months late
Boost Clock2670MHz
More VRAM (12GB vs 1024GB)
Larger VRAM bandwidth (456.0GB/s vs 40.06GB/s)
2176 additional rendering cores
NVIDIA GeForce GT 640 Rev. 2 's Advantages
Lower TDP (49W vs 190W)
Score
Benchmark
FP32 (float)
Arc B580
+1602%
13.67 TFLOPS
GeForce GT 640 Rev. 2
0.803 TFLOPS
Graphics Card
Dec 2024
Release Date
May 2013
Battlemage
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x8
Clock Speeds
2670 MHz
Base Clock
-
2670 MHz
Boost Clock
-
2375 MHz
Memory Clock
1252 MHz
Memory
12GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
192bit
Memory Bus
64bit
456.0GB/s
Bandwidth
40.06GB/s
Render Config
-
-
-
-
-
-
2560
Shading Units
384
160
TMUs
32
80
ROPs
8
160
Tensor Cores
-
20
RT Cores
-
256 KB (per EU)
L1 Cache
16 KB (per SMX)
18 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
213.6 GPixel/s
Pixel Rate
8.368 GPixel/s
427.2 GTexel/s
Texture Rate
33.47 GTexel/s
27.34 TFLOPS
FP16 (half)
-
13.67 TFLOPS
FP32 (float)
803.3 GFLOPS
1.709 TFLOPS
FP64 (double)
33.47 GFLOPS
Board Design
190W
TDP
49W
450 W
Suggested PSU
200 W
1x HDMI 2.1a
3x DisplayPort 2.1
Outputs
1x DVI
1x HDMI 1.4a
1x VGA
1x 8-pin
Power Connectors
None
Graphics Processor
BMG-G21
GPU Name
GK208
SRPMF
GPU Variant
GK208-400-A1
Xe2
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
19.6 billion
Transistors
1.02 billion
272 mm²
Die Size
87 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.4
Vulkan
1.1
-
CUDA
3.5
6.6
Shader Model
5.1
